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Finding the Third Proportional to 65,448 and 99,387

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Solution

The third proportional to 65,448 and 99,387 is: 150,925.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,448 : 99,387 = 99,387 : x
  2. Step 2: Convert to fraction form
    65,448/99,387 = 99,387/x
  3. Step 3: Cross multiply
    65,448x = 99,387 × 99,387
  4. Step 4: Simplify right side
    65,448x = 9,877,775,769
  5. Step 5: Solve for x
    x = 9,877,775,769/65,448
  6. Step 6: Final answer
    x = 150,925.56

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.