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Finding the Third Proportional to 140.83 and 207.17

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Solution

The third proportional to 140.83 and 207.17 is: 304.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    140.83 : 207.17 = 207.17 : x
  2. Step 2: Convert to fraction form
    140.83/207.17 = 207.17/x
  3. Step 3: Cross multiply
    140.83x = 207.17 × 207.17
  4. Step 4: Simplify right side
    140.83x = 42,918.16
  5. Step 5: Solve for x
    x = 42,918.16/140.83
  6. Step 6: Final answer
    x = 304.76

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.