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Finding the Third Proportional to 726.75 and 1,801.13

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Solution

The third proportional to 726.75 and 1,801.13 is: 4,463.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    726.75 : 1,801.13 = 1,801.13 : x
  2. Step 2: Convert to fraction form
    726.75/1,801.13 = 1,801.13/x
  3. Step 3: Cross multiply
    726.75x = 1,801.13 × 1,801.13
  4. Step 4: Simplify right side
    726.75x = 3,244,051.27
  5. Step 5: Solve for x
    x = 3,244,051.27/726.75
  6. Step 6: Final answer
    x = 4,463.78

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Why These Related Problems?

These problems maintain the same ratio (2.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.