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Finding the Third Proportional to 1.34 and 7.17

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Solution

The third proportional to 1.34 and 7.17 is: 38.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1.34 : 7.17 = 7.17 : x
  2. Step 2: Convert to fraction form
    1.34/7.17 = 7.17/x
  3. Step 3: Cross multiply
    1.34x = 7.17 × 7.17
  4. Step 4: Simplify right side
    1.34x = 51.44
  5. Step 5: Solve for x
    x = 51.44/1.34
  6. Step 6: Final answer
    x = 38.50

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Why These Related Problems?

These problems maintain the same ratio (5.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.