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Finding the Third Proportional to 36.56 and 55.13

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Solution

The third proportional to 36.56 and 55.13 is: 83.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.56 : 55.13 = 55.13 : x
  2. Step 2: Convert to fraction form
    36.56/55.13 = 55.13/x
  3. Step 3: Cross multiply
    36.56x = 55.13 × 55.13
  4. Step 4: Simplify right side
    36.56x = 3,038.77
  5. Step 5: Solve for x
    x = 3,038.77/36.56
  6. Step 6: Final answer
    x = 83.11

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.