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Finding the Third Proportional to 1,226,828.50 and 2,681,105

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Solution

The third proportional to 1,226,828.50 and 2,681,105 is: 5,859,273.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,828.50 : 2,681,105 = 2,681,105 : x
  2. Step 2: Convert to fraction form
    1,226,828.50/2,681,105 = 2,681,105/x
  3. Step 3: Cross multiply
    1,226,828.50x = 2,681,105 × 2,681,105
  4. Step 4: Simplify right side
    1,226,828.50x = 7,188,324,021,025
  5. Step 5: Solve for x
    x = 7,188,324,021,025/1,226,828.50
  6. Step 6: Final answer
    x = 5,859,273.75

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.