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Finding the Third Proportional to 1.04 and 1.65

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Solution

The third proportional to 1.04 and 1.65 is: 2.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1.04 : 1.65 = 1.65 : x
  2. Step 2: Convert to fraction form
    1.04/1.65 = 1.65/x
  3. Step 3: Cross multiply
    1.04x = 1.65 × 1.65
  4. Step 4: Simplify right side
    1.04x = 2.71
  5. Step 5: Solve for x
    x = 2.71/1.04
  6. Step 6: Final answer
    x = 2.61

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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.