Home / 118,944-257,486

Finding the Third Proportional to 118,944 and 257,486

Calculator

Solution

The third proportional to 118,944 and 257,486 is: 557,397.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,944 : 257,486 = 257,486 : x
  2. Step 2: Convert to fraction form
    118,944/257,486 = 257,486/x
  3. Step 3: Cross multiply
    118,944x = 257,486 × 257,486
  4. Step 4: Simplify right side
    118,944x = 66,299,040,196
  5. Step 5: Solve for x
    x = 66,299,040,196/118,944
  6. Step 6: Final answer
    x = 557,397.10

Related Problems

Find third proportional to 59,472 and 128,743
Half scale
Find third proportional to 237,888 and 514,972
Double scale
Find third proportional to 118,946 and 257,490
Similar ratio
Find third proportional to 178,416 and 386,229
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.