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Finding the Third Proportional to 717.50 and 968.13

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Solution

The third proportional to 717.50 and 968.13 is: 1,306.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    717.50 : 968.13 = 968.13 : x
  2. Step 2: Convert to fraction form
    717.50/968.13 = 968.13/x
  3. Step 3: Cross multiply
    717.50x = 968.13 × 968.13
  4. Step 4: Simplify right side
    717.50x = 937,266.02
  5. Step 5: Solve for x
    x = 937,266.02/717.50
  6. Step 6: Final answer
    x = 1,306.29

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.