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Finding the Third Proportional to 713.53 and 1,102.92

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Solution

The third proportional to 713.53 and 1,102.92 is: 1,704.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    713.53 : 1,102.92 = 1,102.92 : x
  2. Step 2: Convert to fraction form
    713.53/1,102.92 = 1,102.92/x
  3. Step 3: Cross multiply
    713.53x = 1,102.92 × 1,102.92
  4. Step 4: Simplify right side
    713.53x = 1,216,436.66
  5. Step 5: Solve for x
    x = 1,216,436.66/713.53
  6. Step 6: Final answer
    x = 1,704.81

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.