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Finding the Third Proportional to 710.81 and 1,717.13

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Solution

The third proportional to 710.81 and 1,717.13 is: 4,148.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    710.81 : 1,717.13 = 1,717.13 : x
  2. Step 2: Convert to fraction form
    710.81/1,717.13 = 1,717.13/x
  3. Step 3: Cross multiply
    710.81x = 1,717.13 × 1,717.13
  4. Step 4: Simplify right side
    710.81x = 2,948,518.27
  5. Step 5: Solve for x
    x = 2,948,518.27/710.81
  6. Step 6: Final answer
    x = 4,148.10

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Why These Related Problems?

These problems maintain the same ratio (2.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.