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Finding the Third Proportional to 2,652.12 and 5,828.20

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Solution

The third proportional to 2,652.12 and 5,828.20 is: 12,807.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,652.12 : 5,828.20 = 5,828.20 : x
  2. Step 2: Convert to fraction form
    2,652.12/5,828.20 = 5,828.20/x
  3. Step 3: Cross multiply
    2,652.12x = 5,828.20 × 5,828.20
  4. Step 4: Simplify right side
    2,652.12x = 33,967,951.67
  5. Step 5: Solve for x
    x = 33,967,951.67/2,652.12
  6. Step 6: Final answer
    x = 12,807.86

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.