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Finding the Third Proportional to 32.47 and 48.70

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Solution

The third proportional to 32.47 and 48.70 is: 73.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.47 : 48.70 = 48.70 : x
  2. Step 2: Convert to fraction form
    32.47/48.70 = 48.70/x
  3. Step 3: Cross multiply
    32.47x = 48.70 × 48.70
  4. Step 4: Simplify right side
    32.47x = 2,371.99
  5. Step 5: Solve for x
    x = 2,371.99/32.47
  6. Step 6: Final answer
    x = 73.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.