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Finding the Third Proportional to 69,712.50 and 110,799

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Solution

The third proportional to 69,712.50 and 110,799 is: 176,100.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,712.50 : 110,799 = 110,799 : x
  2. Step 2: Convert to fraction form
    69,712.50/110,799 = 110,799/x
  3. Step 3: Cross multiply
    69,712.50x = 110,799 × 110,799
  4. Step 4: Simplify right side
    69,712.50x = 12,276,418,401
  5. Step 5: Solve for x
    x = 12,276,418,401/69,712.50
  6. Step 6: Final answer
    x = 176,100.68

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.