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Finding the Third Proportional to 32.47 and 47.69

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Solution

The third proportional to 32.47 and 47.69 is: 70.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.47 : 47.69 = 47.69 : x
  2. Step 2: Convert to fraction form
    32.47/47.69 = 47.69/x
  3. Step 3: Cross multiply
    32.47x = 47.69 × 47.69
  4. Step 4: Simplify right side
    32.47x = 2,274.10
  5. Step 5: Solve for x
    x = 2,274.10/32.47
  6. Step 6: Final answer
    x = 70.04

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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.