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Finding the Third Proportional to 65 and 95.25

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Solution

The third proportional to 65 and 95.25 is: 139.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    65 : 95.25 = 95.25 : x
  2. Step 2: Convert to fraction form
    65/95.25 = 95.25/x
  3. Step 3: Cross multiply
    65x = 95.25 × 95.25
  4. Step 4: Simplify right side
    65x = 9,072.56
  5. Step 5: Solve for x
    x = 9,072.56/65
  6. Step 6: Final answer
    x = 139.58

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.