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Finding the Third Proportional to 46.62 and 72.56

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Solution

The third proportional to 46.62 and 72.56 is: 112.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.62 : 72.56 = 72.56 : x
  2. Step 2: Convert to fraction form
    46.62/72.56 = 72.56/x
  3. Step 3: Cross multiply
    46.62x = 72.56 × 72.56
  4. Step 4: Simplify right side
    46.62x = 5,265.32
  5. Step 5: Solve for x
    x = 5,265.32/46.62
  6. Step 6: Final answer
    x = 112.95

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.