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Finding the Third Proportional to 3,216,812 and 4,900,687.50

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Solution

The third proportional to 3,216,812 and 4,900,687.50 is: 7,466,006.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,216,812 : 4,900,687.50 = 4,900,687.50 : x
  2. Step 2: Convert to fraction form
    3,216,812/4,900,687.50 = 4,900,687.50/x
  3. Step 3: Cross multiply
    3,216,812x = 4,900,687.50 × 4,900,687.50
  4. Step 4: Simplify right side
    3,216,812x = 24,016,737,972,656.25
  5. Step 5: Solve for x
    x = 24,016,737,972,656.25/3,216,812
  6. Step 6: Final answer
    x = 7,466,006.09

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.