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Finding the Third Proportional to 53.38 and 99.13

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Solution

The third proportional to 53.38 and 99.13 is: 184.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    53.38 : 99.13 = 99.13 : x
  2. Step 2: Convert to fraction form
    53.38/99.13 = 99.13/x
  3. Step 3: Cross multiply
    53.38x = 99.13 × 99.13
  4. Step 4: Simplify right side
    53.38x = 9,825.77
  5. Step 5: Solve for x
    x = 9,825.77/53.38
  6. Step 6: Final answer
    x = 184.09

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Why These Related Problems?

These problems maintain the same ratio (1.86) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.