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Finding the Third Proportional to 14,239.88 and 30,670.13

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Solution

The third proportional to 14,239.88 and 30,670.13 is: 66,057.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,239.88 : 30,670.13 = 30,670.13 : x
  2. Step 2: Convert to fraction form
    14,239.88/30,670.13 = 30,670.13/x
  3. Step 3: Cross multiply
    14,239.88x = 30,670.13 × 30,670.13
  4. Step 4: Simplify right side
    14,239.88x = 940,656,567.52
  5. Step 5: Solve for x
    x = 940,656,567.52/14,239.88
  6. Step 6: Final answer
    x = 66,057.92

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.