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Finding the Third Proportional to 416.25 and 637

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Solution

The third proportional to 416.25 and 637 is: 974.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    416.25 : 637 = 637 : x
  2. Step 2: Convert to fraction form
    416.25/637 = 637/x
  3. Step 3: Cross multiply
    416.25x = 637 × 637
  4. Step 4: Simplify right side
    416.25x = 405,769
  5. Step 5: Solve for x
    x = 405,769/416.25
  6. Step 6: Final answer
    x = 974.82

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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.