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Finding the Third Proportional to 2,278,619 and 4,948,438

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Solution

The third proportional to 2,278,619 and 4,948,438 is: 10,746,438.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278,619 : 4,948,438 = 4,948,438 : x
  2. Step 2: Convert to fraction form
    2,278,619/4,948,438 = 4,948,438/x
  3. Step 3: Cross multiply
    2,278,619x = 4,948,438 × 4,948,438
  4. Step 4: Simplify right side
    2,278,619x = 24,487,038,639,844
  5. Step 5: Solve for x
    x = 24,487,038,639,844/2,278,619
  6. Step 6: Final answer
    x = 10,746,438.36

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.