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Finding the Third Proportional to 32.04 and 68.70

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Solution

The third proportional to 32.04 and 68.70 is: 147.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.04 : 68.70 = 68.70 : x
  2. Step 2: Convert to fraction form
    32.04/68.70 = 68.70/x
  3. Step 3: Cross multiply
    32.04x = 68.70 × 68.70
  4. Step 4: Simplify right side
    32.04x = 4,719.65
  5. Step 5: Solve for x
    x = 4,719.65/32.04
  6. Step 6: Final answer
    x = 147.32

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.