Home / 61,508-133,218

Finding the Third Proportional to 61,508 and 133,218

Calculator

Solution

The third proportional to 61,508 and 133,218 is: 288,532.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,508 : 133,218 = 133,218 : x
  2. Step 2: Convert to fraction form
    61,508/133,218 = 133,218/x
  3. Step 3: Cross multiply
    61,508x = 133,218 × 133,218
  4. Step 4: Simplify right side
    61,508x = 17,747,035,524
  5. Step 5: Solve for x
    x = 17,747,035,524/61,508
  6. Step 6: Final answer
    x = 288,532.15

Related Problems

Find third proportional to 30,754 and 66,609
Half scale
Find third proportional to 123,016 and 266,436
Double scale
Find third proportional to 61,510 and 133,222
Similar ratio
Find third proportional to 92,262 and 199,827
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.