Home / 401,004,358-638,076,780

Finding the Third Proportional to 401,004,358 and 638,076,780

Calculator

Solution

The third proportional to 401,004,358 and 638,076,780 is: 1,015,305,617.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,004,358 : 638,076,780 = 638,076,780 : x
  2. Step 2: Convert to fraction form
    401,004,358/638,076,780 = 638,076,780/x
  3. Step 3: Cross multiply
    401,004,358x = 638,076,780 × 638,076,780
  4. Step 4: Simplify right side
    401,004,358x = 407,141,977,175,168,384
  5. Step 5: Solve for x
    x = 407,141,977,175,168,384/401,004,358
  6. Step 6: Final answer
    x = 1,015,305,617.14

Related Problems

Find third proportional to 200,502,179 and 319,038,390
Half scale
Find third proportional to 802,008,716 and 1,276,153,560
Double scale
Find third proportional to 401,004,360 and 638,076,783
Similar ratio
Find third proportional to 601,506,537 and 957,115,170
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.