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Finding the Third Proportional to 36.84 and 56.53

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Solution

The third proportional to 36.84 and 56.53 is: 86.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.84 : 56.53 = 56.53 : x
  2. Step 2: Convert to fraction form
    36.84/56.53 = 56.53/x
  3. Step 3: Cross multiply
    36.84x = 56.53 × 56.53
  4. Step 4: Simplify right side
    36.84x = 3,195.78
  5. Step 5: Solve for x
    x = 3,195.78/36.84
  6. Step 6: Final answer
    x = 86.74

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.