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Finding the Third Proportional to 781.13 and 1,597.13

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Solution

The third proportional to 781.13 and 1,597.13 is: 3,265.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    781.13 : 1,597.13 = 1,597.13 : x
  2. Step 2: Convert to fraction form
    781.13/1,597.13 = 1,597.13/x
  3. Step 3: Cross multiply
    781.13x = 1,597.13 × 1,597.13
  4. Step 4: Simplify right side
    781.13x = 2,550,808.27
  5. Step 5: Solve for x
    x = 2,550,808.27/781.13
  6. Step 6: Final answer
    x = 3,265.56

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.