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Finding the Third Proportional to 130.04 and 282.76

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Solution

The third proportional to 130.04 and 282.76 is: 614.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    130.04 : 282.76 = 282.76 : x
  2. Step 2: Convert to fraction form
    130.04/282.76 = 282.76/x
  3. Step 3: Cross multiply
    130.04x = 282.76 × 282.76
  4. Step 4: Simplify right side
    130.04x = 79,954.19
  5. Step 5: Solve for x
    x = 79,954.19/130.04
  6. Step 6: Final answer
    x = 614.83

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.