Home / 119,374-257,431

Finding the Third Proportional to 119,374 and 257,431

Calculator

Solution

The third proportional to 119,374 and 257,431 is: 555,152.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,374 : 257,431 = 257,431 : x
  2. Step 2: Convert to fraction form
    119,374/257,431 = 257,431/x
  3. Step 3: Cross multiply
    119,374x = 257,431 × 257,431
  4. Step 4: Simplify right side
    119,374x = 66,270,719,761
  5. Step 5: Solve for x
    x = 66,270,719,761/119,374
  6. Step 6: Final answer
    x = 555,152.04

Related Problems

Find third proportional to 59,687 and 128,715.50
Half scale
Find third proportional to 238,748 and 514,862
Double scale
Find third proportional to 119,376 and 257,435
Similar ratio
Find third proportional to 179,061 and 386,146.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.