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Finding the Third Proportional to 2,943,636.75 and 4,318,578

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Solution

The third proportional to 2,943,636.75 and 4,318,578 is: 6,335,739.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,943,636.75 : 4,318,578 = 4,318,578 : x
  2. Step 2: Convert to fraction form
    2,943,636.75/4,318,578 = 4,318,578/x
  3. Step 3: Cross multiply
    2,943,636.75x = 4,318,578 × 4,318,578
  4. Step 4: Simplify right side
    2,943,636.75x = 18,650,115,942,084
  5. Step 5: Solve for x
    x = 18,650,115,942,084/2,943,636.75
  6. Step 6: Final answer
    x = 6,335,739.61

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.