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Finding the Third Proportional to 593 and 645.50

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Solution

The third proportional to 593 and 645.50 is: 702.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    593 : 645.50 = 645.50 : x
  2. Step 2: Convert to fraction form
    593/645.50 = 645.50/x
  3. Step 3: Cross multiply
    593x = 645.50 × 645.50
  4. Step 4: Simplify right side
    593x = 416,670.25
  5. Step 5: Solve for x
    x = 416,670.25/593
  6. Step 6: Final answer
    x = 702.65

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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.