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Finding the Third Proportional to 2,212 and 2,951.50

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Solution

The third proportional to 2,212 and 2,951.50 is: 3,938.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,212 : 2,951.50 = 2,951.50 : x
  2. Step 2: Convert to fraction form
    2,212/2,951.50 = 2,951.50/x
  3. Step 3: Cross multiply
    2,212x = 2,951.50 × 2,951.50
  4. Step 4: Simplify right side
    2,212x = 8,711,352.25
  5. Step 5: Solve for x
    x = 8,711,352.25/2,212
  6. Step 6: Final answer
    x = 3,938.22

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.