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Finding the Third Proportional to 140.17 and 302.17

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Solution

The third proportional to 140.17 and 302.17 is: 651.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    140.17 : 302.17 = 302.17 : x
  2. Step 2: Convert to fraction form
    140.17/302.17 = 302.17/x
  3. Step 3: Cross multiply
    140.17x = 302.17 × 302.17
  4. Step 4: Simplify right side
    140.17x = 91,305.48
  5. Step 5: Solve for x
    x = 91,305.48/140.17
  6. Step 6: Final answer
    x = 651.40

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.