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Finding the Third Proportional to 449 and 736

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Solution

The third proportional to 449 and 736 is: 1,206.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    449 : 736 = 736 : x
  2. Step 2: Convert to fraction form
    449/736 = 736/x
  3. Step 3: Cross multiply
    449x = 736 × 736
  4. Step 4: Simplify right side
    449x = 541,696
  5. Step 5: Solve for x
    x = 541,696/449
  6. Step 6: Final answer
    x = 1,206.45

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Why These Related Problems?

These problems maintain the same ratio (1.64) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.