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Finding the Third Proportional to 63,666 and 138,282.19

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Solution

The third proportional to 63,666 and 138,282.19 is: 300,348.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,666 : 138,282.19 = 138,282.19 : x
  2. Step 2: Convert to fraction form
    63,666/138,282.19 = 138,282.19/x
  3. Step 3: Cross multiply
    63,666x = 138,282.19 × 138,282.19
  4. Step 4: Simplify right side
    63,666x = 19,121,963,379.79
  5. Step 5: Solve for x
    x = 19,121,963,379.79/63,666
  6. Step 6: Final answer
    x = 300,348.12

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.