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Finding the Third Proportional to 2,220.47 and 2,962.41

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Solution

The third proportional to 2,220.47 and 2,962.41 is: 3,952.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220.47 : 2,962.41 = 2,962.41 : x
  2. Step 2: Convert to fraction form
    2,220.47/2,962.41 = 2,962.41/x
  3. Step 3: Cross multiply
    2,220.47x = 2,962.41 × 2,962.41
  4. Step 4: Simplify right side
    2,220.47x = 8,775,850.79
  5. Step 5: Solve for x
    x = 8,775,850.79/2,220.47
  6. Step 6: Final answer
    x = 3,952.25

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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.