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Finding the Third Proportional to 14.34 and 16.88

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Solution

The third proportional to 14.34 and 16.88 is: 19.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14.34 : 16.88 = 16.88 : x
  2. Step 2: Convert to fraction form
    14.34/16.88 = 16.88/x
  3. Step 3: Cross multiply
    14.34x = 16.88 × 16.88
  4. Step 4: Simplify right side
    14.34x = 284.77
  5. Step 5: Solve for x
    x = 284.77/14.34
  6. Step 6: Final answer
    x = 19.85

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Why These Related Problems?

These problems maintain the same ratio (1.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.