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Finding the Third Proportional to 562.13 and 749.81

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Solution

The third proportional to 562.13 and 749.81 is: 1,000.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    562.13 : 749.81 = 749.81 : x
  2. Step 2: Convert to fraction form
    562.13/749.81 = 749.81/x
  3. Step 3: Cross multiply
    562.13x = 749.81 × 749.81
  4. Step 4: Simplify right side
    562.13x = 562,218.79
  5. Step 5: Solve for x
    x = 562,218.79/562.13
  6. Step 6: Final answer
    x = 1,000.17

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.