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Finding the Third Proportional to 473.50 and 726.88

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Solution

The third proportional to 473.50 and 726.88 is: 1,115.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    473.50 : 726.88 = 726.88 : x
  2. Step 2: Convert to fraction form
    473.50/726.88 = 726.88/x
  3. Step 3: Cross multiply
    473.50x = 726.88 × 726.88
  4. Step 4: Simplify right side
    473.50x = 528,347.27
  5. Step 5: Solve for x
    x = 528,347.27/473.50
  6. Step 6: Final answer
    x = 1,115.83

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.