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Finding the Third Proportional to 46.97 and 74.81

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Solution

The third proportional to 46.97 and 74.81 is: 119.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.97 : 74.81 = 74.81 : x
  2. Step 2: Convert to fraction form
    46.97/74.81 = 74.81/x
  3. Step 3: Cross multiply
    46.97x = 74.81 × 74.81
  4. Step 4: Simplify right side
    46.97x = 5,596.91
  5. Step 5: Solve for x
    x = 5,596.91/46.97
  6. Step 6: Final answer
    x = 119.16

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.