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Finding the Third Proportional to 10.02 and 14.92

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Solution

The third proportional to 10.02 and 14.92 is: 22.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10.02 : 14.92 = 14.92 : x
  2. Step 2: Convert to fraction form
    10.02/14.92 = 14.92/x
  3. Step 3: Cross multiply
    10.02x = 14.92 × 14.92
  4. Step 4: Simplify right side
    10.02x = 222.61
  5. Step 5: Solve for x
    x = 222.61/10.02
  6. Step 6: Final answer
    x = 22.21

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.