Home / 81,508-124,684

Finding the Third Proportional to 81,508 and 124,684

Calculator

Solution

The third proportional to 81,508 and 124,684 is: 190,730.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,508 : 124,684 = 124,684 : x
  2. Step 2: Convert to fraction form
    81,508/124,684 = 124,684/x
  3. Step 3: Cross multiply
    81,508x = 124,684 × 124,684
  4. Step 4: Simplify right side
    81,508x = 15,546,099,856
  5. Step 5: Solve for x
    x = 15,546,099,856/81,508
  6. Step 6: Final answer
    x = 190,730.97

Related Problems

Find third proportional to 40,754 and 62,342
Half scale
Find third proportional to 163,016 and 249,368
Double scale
Find third proportional to 81,510 and 124,687
Similar ratio
Find third proportional to 122,262 and 187,026
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.