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Finding the Third Proportional to 0.53 and 3.65

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Solution

The third proportional to 0.53 and 3.65 is: 24.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    0.53 : 3.65 = 3.65 : x
  2. Step 2: Convert to fraction form
    0.53/3.65 = 3.65/x
  3. Step 3: Cross multiply
    0.53x = 3.65 × 3.65
  4. Step 4: Simplify right side
    0.53x = 13.31
  5. Step 5: Solve for x
    x = 13.31/0.53
  6. Step 6: Final answer
    x = 24.93

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Why These Related Problems?

These problems maintain the same ratio (6.83) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.