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Finding the Third Proportional to 437.91 and 732.80

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Solution

The third proportional to 437.91 and 732.80 is: 1,226.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    437.91 : 732.80 = 732.80 : x
  2. Step 2: Convert to fraction form
    437.91/732.80 = 732.80/x
  3. Step 3: Cross multiply
    437.91x = 732.80 × 732.80
  4. Step 4: Simplify right side
    437.91x = 536,991.26
  5. Step 5: Solve for x
    x = 536,991.26/437.91
  6. Step 6: Final answer
    x = 1,226.27

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.