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Finding the Third Proportional to 1,211,481 and 2,643,013.50

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Solution

The third proportional to 1,211,481 and 2,643,013.50 is: 5,766,099.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,481 : 2,643,013.50 = 2,643,013.50 : x
  2. Step 2: Convert to fraction form
    1,211,481/2,643,013.50 = 2,643,013.50/x
  3. Step 3: Cross multiply
    1,211,481x = 2,643,013.50 × 2,643,013.50
  4. Step 4: Simplify right side
    1,211,481x = 6,985,520,361,182.25
  5. Step 5: Solve for x
    x = 6,985,520,361,182.25/1,211,481
  6. Step 6: Final answer
    x = 5,766,099.81

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.