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Finding the Third Proportional to 18,957,627 and 40,835,412

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Solution

The third proportional to 18,957,627 and 40,835,412 is: 87,960,949.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,957,627 : 40,835,412 = 40,835,412 : x
  2. Step 2: Convert to fraction form
    18,957,627/40,835,412 = 40,835,412/x
  3. Step 3: Cross multiply
    18,957,627x = 40,835,412 × 40,835,412
  4. Step 4: Simplify right side
    18,957,627x = 1,667,530,873,209,744
  5. Step 5: Solve for x
    x = 1,667,530,873,209,744/18,957,627
  6. Step 6: Final answer
    x = 87,960,949.61

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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.