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Finding the Third Proportional to 2,722.50 and 4,201.88

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Solution

The third proportional to 2,722.50 and 4,201.88 is: 6,485.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,722.50 : 4,201.88 = 4,201.88 : x
  2. Step 2: Convert to fraction form
    2,722.50/4,201.88 = 4,201.88/x
  3. Step 3: Cross multiply
    2,722.50x = 4,201.88 × 4,201.88
  4. Step 4: Simplify right side
    2,722.50x = 17,655,753.52
  5. Step 5: Solve for x
    x = 17,655,753.52/2,722.50
  6. Step 6: Final answer
    x = 6,485.13

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.