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Finding the Third Proportional to 581.75 and 801.13

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Solution

The third proportional to 581.75 and 801.13 is: 1,103.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    581.75 : 801.13 = 801.13 : x
  2. Step 2: Convert to fraction form
    581.75/801.13 = 801.13/x
  3. Step 3: Cross multiply
    581.75x = 801.13 × 801.13
  4. Step 4: Simplify right side
    581.75x = 641,801.27
  5. Step 5: Solve for x
    x = 641,801.27/581.75
  6. Step 6: Final answer
    x = 1,103.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.