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Finding the Third Proportional to 539.30 and 1,177.17

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Solution

The third proportional to 539.30 and 1,177.17 is: 2,569.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    539.30 : 1,177.17 = 1,177.17 : x
  2. Step 2: Convert to fraction form
    539.30/1,177.17 = 1,177.17/x
  3. Step 3: Cross multiply
    539.30x = 1,177.17 × 1,177.17
  4. Step 4: Simplify right side
    539.30x = 1,385,733.62
  5. Step 5: Solve for x
    x = 1,385,733.62/539.30
  6. Step 6: Final answer
    x = 2,569.52

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.