Home / 66,732-143,808

Finding the Third Proportional to 66,732 and 143,808

Calculator

Solution

The third proportional to 66,732 and 143,808 is: 309,907.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,732 : 143,808 = 143,808 : x
  2. Step 2: Convert to fraction form
    66,732/143,808 = 143,808/x
  3. Step 3: Cross multiply
    66,732x = 143,808 × 143,808
  4. Step 4: Simplify right side
    66,732x = 20,680,740,864
  5. Step 5: Solve for x
    x = 20,680,740,864/66,732
  6. Step 6: Final answer
    x = 309,907.40

Related Problems

Find third proportional to 33,366 and 71,904
Half scale
Find third proportional to 133,464 and 287,616
Double scale
Find third proportional to 66,734 and 143,812
Similar ratio
Find third proportional to 100,098 and 215,712
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.