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Finding the Third Proportional to 592 and 644.50

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Solution

The third proportional to 592 and 644.50 is: 701.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    592 : 644.50 = 644.50 : x
  2. Step 2: Convert to fraction form
    592/644.50 = 644.50/x
  3. Step 3: Cross multiply
    592x = 644.50 × 644.50
  4. Step 4: Simplify right side
    592x = 415,380.25
  5. Step 5: Solve for x
    x = 415,380.25/592
  6. Step 6: Final answer
    x = 701.66

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Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.