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Finding the Third Proportional to 65,799 and 102,069

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Solution

The third proportional to 65,799 and 102,069 is: 158,331.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,799 : 102,069 = 102,069 : x
  2. Step 2: Convert to fraction form
    65,799/102,069 = 102,069/x
  3. Step 3: Cross multiply
    65,799x = 102,069 × 102,069
  4. Step 4: Simplify right side
    65,799x = 10,418,080,761
  5. Step 5: Solve for x
    x = 10,418,080,761/65,799
  6. Step 6: Final answer
    x = 158,331.90

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.