Home / 66,140-99,364

Finding the Third Proportional to 66,140 and 99,364

Calculator

Solution

The third proportional to 66,140 and 99,364 is: 149,277.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,140 : 99,364 = 99,364 : x
  2. Step 2: Convert to fraction form
    66,140/99,364 = 99,364/x
  3. Step 3: Cross multiply
    66,140x = 99,364 × 99,364
  4. Step 4: Simplify right side
    66,140x = 9,873,204,496
  5. Step 5: Solve for x
    x = 9,873,204,496/66,140
  6. Step 6: Final answer
    x = 149,277.36

Related Problems

Find third proportional to 33,070 and 49,682
Half scale
Find third proportional to 132,280 and 198,728
Double scale
Find third proportional to 66,142 and 99,367
Similar ratio
Find third proportional to 99,210 and 149,046
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.