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Finding the Third Proportional to 475.88 and 726.47

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Solution

The third proportional to 475.88 and 726.47 is: 1,109.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    475.88 : 726.47 = 726.47 : x
  2. Step 2: Convert to fraction form
    475.88/726.47 = 726.47/x
  3. Step 3: Cross multiply
    475.88x = 726.47 × 726.47
  4. Step 4: Simplify right side
    475.88x = 527,756.84
  5. Step 5: Solve for x
    x = 527,756.84/475.88
  6. Step 6: Final answer
    x = 1,109.02

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.