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Finding the Third Proportional to 66,663 and 107,029.88

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Solution

The third proportional to 66,663 and 107,029.88 is: 171,840.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,663 : 107,029.88 = 107,029.88 : x
  2. Step 2: Convert to fraction form
    66,663/107,029.88 = 107,029.88/x
  3. Step 3: Cross multiply
    66,663x = 107,029.88 × 107,029.88
  4. Step 4: Simplify right side
    66,663x = 11,455,394,142.52
  5. Step 5: Solve for x
    x = 11,455,394,142.52/66,663
  6. Step 6: Final answer
    x = 171,840.36

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.