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Finding the Third Proportional to 596.53 and 621.84

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Solution

The third proportional to 596.53 and 621.84 is: 648.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    596.53 : 621.84 = 621.84 : x
  2. Step 2: Convert to fraction form
    596.53/621.84 = 621.84/x
  3. Step 3: Cross multiply
    596.53x = 621.84 × 621.84
  4. Step 4: Simplify right side
    596.53x = 386,689.65
  5. Step 5: Solve for x
    x = 386,689.65/596.53
  6. Step 6: Final answer
    x = 648.23

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Why These Related Problems?

These problems maintain the same ratio (1.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.