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Finding the Third Proportional to 1,211,719.50 and 2,548,791

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Solution

The third proportional to 1,211,719.50 and 2,548,791 is: 5,361,253.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,719.50 : 2,548,791 = 2,548,791 : x
  2. Step 2: Convert to fraction form
    1,211,719.50/2,548,791 = 2,548,791/x
  3. Step 3: Cross multiply
    1,211,719.50x = 2,548,791 × 2,548,791
  4. Step 4: Simplify right side
    1,211,719.50x = 6,496,335,561,681
  5. Step 5: Solve for x
    x = 6,496,335,561,681/1,211,719.50
  6. Step 6: Final answer
    x = 5,361,253.62

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.