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Finding the Third Proportional to 539.13 and 902.38

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Solution

The third proportional to 539.13 and 902.38 is: 1,510.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    539.13 : 902.38 = 902.38 : x
  2. Step 2: Convert to fraction form
    539.13/902.38 = 902.38/x
  3. Step 3: Cross multiply
    539.13x = 902.38 × 902.38
  4. Step 4: Simplify right side
    539.13x = 814,280.64
  5. Step 5: Solve for x
    x = 814,280.64/539.13
  6. Step 6: Final answer
    x = 1,510.37

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.