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Finding the Third Proportional to 14.48 and 17.02

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Solution

The third proportional to 14.48 and 17.02 is: 19.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14.48 : 17.02 = 17.02 : x
  2. Step 2: Convert to fraction form
    14.48/17.02 = 17.02/x
  3. Step 3: Cross multiply
    14.48x = 17.02 × 17.02
  4. Step 4: Simplify right side
    14.48x = 289.53
  5. Step 5: Solve for x
    x = 289.53/14.48
  6. Step 6: Final answer
    x = 19.99

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Why These Related Problems?

These problems maintain the same ratio (1.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.