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Finding the Third Proportional to 48,631.50 and 107,469

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Solution

The third proportional to 48,631.50 and 107,469 is: 237,491.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,631.50 : 107,469 = 107,469 : x
  2. Step 2: Convert to fraction form
    48,631.50/107,469 = 107,469/x
  3. Step 3: Cross multiply
    48,631.50x = 107,469 × 107,469
  4. Step 4: Simplify right side
    48,631.50x = 11,549,585,961
  5. Step 5: Solve for x
    x = 11,549,585,961/48,631.50
  6. Step 6: Final answer
    x = 237,491.87

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.