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Finding the Third Proportional to 40,362 and 66,703

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Solution

The third proportional to 40,362 and 66,703 is: 110,234.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,362 : 66,703 = 66,703 : x
  2. Step 2: Convert to fraction form
    40,362/66,703 = 66,703/x
  3. Step 3: Cross multiply
    40,362x = 66,703 × 66,703
  4. Step 4: Simplify right side
    40,362x = 4,449,290,209
  5. Step 5: Solve for x
    x = 4,449,290,209/40,362
  6. Step 6: Final answer
    x = 110,234.63

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Why These Related Problems?

These problems maintain the same ratio (1.65) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.