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Finding the Third Proportional to 48.66 and 73.31

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Solution

The third proportional to 48.66 and 73.31 is: 110.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    48.66 : 73.31 = 73.31 : x
  2. Step 2: Convert to fraction form
    48.66/73.31 = 73.31/x
  3. Step 3: Cross multiply
    48.66x = 73.31 × 73.31
  4. Step 4: Simplify right side
    48.66x = 5,374.72
  5. Step 5: Solve for x
    x = 5,374.72/48.66
  6. Step 6: Final answer
    x = 110.46

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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.