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Finding the Third Proportional to 73.41 and 98.16

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Solution

The third proportional to 73.41 and 98.16 is: 131.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    73.41 : 98.16 = 98.16 : x
  2. Step 2: Convert to fraction form
    73.41/98.16 = 98.16/x
  3. Step 3: Cross multiply
    73.41x = 98.16 × 98.16
  4. Step 4: Simplify right side
    73.41x = 9,634.65
  5. Step 5: Solve for x
    x = 9,634.65/73.41
  6. Step 6: Final answer
    x = 131.25

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.