Home / 31,150-67,217

Finding the Third Proportional to 31,150 and 67,217

Calculator

Solution

The third proportional to 31,150 and 67,217 is: 145,044.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,150 : 67,217 = 67,217 : x
  2. Step 2: Convert to fraction form
    31,150/67,217 = 67,217/x
  3. Step 3: Cross multiply
    31,150x = 67,217 × 67,217
  4. Step 4: Simplify right side
    31,150x = 4,518,125,089
  5. Step 5: Solve for x
    x = 4,518,125,089/31,150
  6. Step 6: Final answer
    x = 145,044.14

Related Problems

Find third proportional to 15,575 and 33,608.50
Half scale
Find third proportional to 62,300 and 134,434
Double scale
Find third proportional to 31,152 and 67,221
Similar ratio
Find third proportional to 46,725 and 100,825.50
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.