Home / 401,004,146-638,076,413

Finding the Third Proportional to 401,004,146 and 638,076,413

Calculator

Solution

The third proportional to 401,004,146 and 638,076,413 is: 1,015,304,985.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,004,146 : 638,076,413 = 638,076,413 : x
  2. Step 2: Convert to fraction form
    401,004,146/638,076,413 = 638,076,413/x
  3. Step 3: Cross multiply
    401,004,146x = 638,076,413 × 638,076,413
  4. Step 4: Simplify right side
    401,004,146x = 407,141,508,826,946,560
  5. Step 5: Solve for x
    x = 407,141,508,826,946,560/401,004,146
  6. Step 6: Final answer
    x = 1,015,304,985.97

Related Problems

Find third proportional to 200,502,073 and 319,038,206.50
Half scale
Find third proportional to 802,008,292 and 1,276,152,826
Double scale
Find third proportional to 401,004,148 and 638,076,416
Similar ratio
Find third proportional to 601,506,219 and 957,114,619.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.