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Finding the Third Proportional to 616 and 744

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Solution

The third proportional to 616 and 744 is: 898.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    616 : 744 = 744 : x
  2. Step 2: Convert to fraction form
    616/744 = 744/x
  3. Step 3: Cross multiply
    616x = 744 × 744
  4. Step 4: Simplify right side
    616x = 553,536
  5. Step 5: Solve for x
    x = 553,536/616
  6. Step 6: Final answer
    x = 898.60

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Why These Related Problems?

These problems maintain the same ratio (1.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.