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Finding the Third Proportional to 467.72 and 726.19

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Solution

The third proportional to 467.72 and 726.19 is: 1,127.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.72 : 726.19 = 726.19 : x
  2. Step 2: Convert to fraction form
    467.72/726.19 = 726.19/x
  3. Step 3: Cross multiply
    467.72x = 726.19 × 726.19
  4. Step 4: Simplify right side
    467.72x = 527,348.29
  5. Step 5: Solve for x
    x = 527,348.29/467.72
  6. Step 6: Final answer
    x = 1,127.49

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.