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Finding the Third Proportional to 48.50 and 52.88

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Solution

The third proportional to 48.50 and 52.88 is: 57.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    48.50 : 52.88 = 52.88 : x
  2. Step 2: Convert to fraction form
    48.50/52.88 = 52.88/x
  3. Step 3: Cross multiply
    48.50x = 52.88 × 52.88
  4. Step 4: Simplify right side
    48.50x = 2,795.77
  5. Step 5: Solve for x
    x = 2,795.77/48.50
  6. Step 6: Final answer
    x = 57.64

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Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.