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Finding the Third Proportional to 597 and 644

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Solution

The third proportional to 597 and 644 is: 694.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    597 : 644 = 644 : x
  2. Step 2: Convert to fraction form
    597/644 = 644/x
  3. Step 3: Cross multiply
    597x = 644 × 644
  4. Step 4: Simplify right side
    597x = 414,736
  5. Step 5: Solve for x
    x = 414,736/597
  6. Step 6: Final answer
    x = 694.70

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These problems maintain the same ratio (1.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.