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Finding the Third Proportional to 83.53 and 127.13

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Solution

The third proportional to 83.53 and 127.13 is: 193.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    83.53 : 127.13 = 127.13 : x
  2. Step 2: Convert to fraction form
    83.53/127.13 = 127.13/x
  3. Step 3: Cross multiply
    83.53x = 127.13 × 127.13
  4. Step 4: Simplify right side
    83.53x = 16,160.77
  5. Step 5: Solve for x
    x = 16,160.77/83.53
  6. Step 6: Final answer
    x = 193.47

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.