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Finding the Third Proportional to 7.48 and 10.14

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Solution

The third proportional to 7.48 and 10.14 is: 13.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7.48 : 10.14 = 10.14 : x
  2. Step 2: Convert to fraction form
    7.48/10.14 = 10.14/x
  3. Step 3: Cross multiply
    7.48x = 10.14 × 10.14
  4. Step 4: Simplify right side
    7.48x = 102.92
  5. Step 5: Solve for x
    x = 102.92/7.48
  6. Step 6: Final answer
    x = 13.77

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.