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Finding the Third Proportional to 47.38 and 101.50

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Solution

The third proportional to 47.38 and 101.50 is: 217.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    47.38 : 101.50 = 101.50 : x
  2. Step 2: Convert to fraction form
    47.38/101.50 = 101.50/x
  3. Step 3: Cross multiply
    47.38x = 101.50 × 101.50
  4. Step 4: Simplify right side
    47.38x = 10,302.25
  5. Step 5: Solve for x
    x = 10,302.25/47.38
  6. Step 6: Final answer
    x = 217.46

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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.