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Finding the Third Proportional to 588.94 and 685.13

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Solution

The third proportional to 588.94 and 685.13 is: 797.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    588.94 : 685.13 = 685.13 : x
  2. Step 2: Convert to fraction form
    588.94/685.13 = 685.13/x
  3. Step 3: Cross multiply
    588.94x = 685.13 × 685.13
  4. Step 4: Simplify right side
    588.94x = 469,396.27
  5. Step 5: Solve for x
    x = 469,396.27/588.94
  6. Step 6: Final answer
    x = 797.02

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Why These Related Problems?

These problems maintain the same ratio (1.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.