Home / 66,532-143,432

Finding the Third Proportional to 66,532 and 143,432

Calculator

Solution

The third proportional to 66,532 and 143,432 is: 309,215.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,532 : 143,432 = 143,432 : x
  2. Step 2: Convert to fraction form
    66,532/143,432 = 143,432/x
  3. Step 3: Cross multiply
    66,532x = 143,432 × 143,432
  4. Step 4: Simplify right side
    66,532x = 20,572,738,624
  5. Step 5: Solve for x
    x = 20,572,738,624/66,532
  6. Step 6: Final answer
    x = 309,215.70

Related Problems

Find third proportional to 33,266 and 71,716
Half scale
Find third proportional to 133,064 and 286,864
Double scale
Find third proportional to 66,534 and 143,436
Similar ratio
Find third proportional to 99,798 and 215,148
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.