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Finding the Third Proportional to 66,202.50 and 141,879

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Solution

The third proportional to 66,202.50 and 141,879 is: 304,061.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,202.50 : 141,879 = 141,879 : x
  2. Step 2: Convert to fraction form
    66,202.50/141,879 = 141,879/x
  3. Step 3: Cross multiply
    66,202.50x = 141,879 × 141,879
  4. Step 4: Simplify right side
    66,202.50x = 20,129,650,641
  5. Step 5: Solve for x
    x = 20,129,650,641/66,202.50
  6. Step 6: Final answer
    x = 304,061.79

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.