Home / 253,266-401,040

Finding the Third Proportional to 253,266 and 401,040

Calculator

Solution

The third proportional to 253,266 and 401,040 is: 635,036.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,266 : 401,040 = 401,040 : x
  2. Step 2: Convert to fraction form
    253,266/401,040 = 401,040/x
  3. Step 3: Cross multiply
    253,266x = 401,040 × 401,040
  4. Step 4: Simplify right side
    253,266x = 160,833,081,600
  5. Step 5: Solve for x
    x = 160,833,081,600/253,266
  6. Step 6: Final answer
    x = 635,036.21

Related Problems

Find third proportional to 126,633 and 200,520
Half scale
Find third proportional to 506,532 and 802,080
Double scale
Find third proportional to 253,268 and 401,043
Similar ratio
Find third proportional to 379,899 and 601,560
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.