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Finding the Third Proportional to 1,215,192 and 2,617,359

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Solution

The third proportional to 1,215,192 and 2,617,359 is: 5,637,436.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,192 : 2,617,359 = 2,617,359 : x
  2. Step 2: Convert to fraction form
    1,215,192/2,617,359 = 2,617,359/x
  3. Step 3: Cross multiply
    1,215,192x = 2,617,359 × 2,617,359
  4. Step 4: Simplify right side
    1,215,192x = 6,850,568,134,881
  5. Step 5: Solve for x
    x = 6,850,568,134,881/1,215,192
  6. Step 6: Final answer
    x = 5,637,436.83

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.