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Finding the Third Proportional to 1,055,135.50 and 2,147,561

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Solution

The third proportional to 1,055,135.50 and 2,147,561 is: 4,371,019.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,135.50 : 2,147,561 = 2,147,561 : x
  2. Step 2: Convert to fraction form
    1,055,135.50/2,147,561 = 2,147,561/x
  3. Step 3: Cross multiply
    1,055,135.50x = 2,147,561 × 2,147,561
  4. Step 4: Simplify right side
    1,055,135.50x = 4,612,018,248,721
  5. Step 5: Solve for x
    x = 4,612,018,248,721/1,055,135.50
  6. Step 6: Final answer
    x = 4,371,019.88

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.