Home / 66,030-137,532

Finding the Third Proportional to 66,030 and 137,532

Calculator

Solution

The third proportional to 66,030 and 137,532 is: 286,461.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,030 : 137,532 = 137,532 : x
  2. Step 2: Convert to fraction form
    66,030/137,532 = 137,532/x
  3. Step 3: Cross multiply
    66,030x = 137,532 × 137,532
  4. Step 4: Simplify right side
    66,030x = 18,915,051,024
  5. Step 5: Solve for x
    x = 18,915,051,024/66,030
  6. Step 6: Final answer
    x = 286,461.47

Related Problems

Find third proportional to 33,015 and 68,766
Half scale
Find third proportional to 132,060 and 275,064
Double scale
Find third proportional to 66,032 and 137,536
Similar ratio
Find third proportional to 99,045 and 206,298
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.