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Finding the Third Proportional to 15,921,158 and 34,820,956

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Solution

The third proportional to 15,921,158 and 34,820,956 is: 76,156,456.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,921,158 : 34,820,956 = 34,820,956 : x
  2. Step 2: Convert to fraction form
    15,921,158/34,820,956 = 34,820,956/x
  3. Step 3: Cross multiply
    15,921,158x = 34,820,956 × 34,820,956
  4. Step 4: Simplify right side
    15,921,158x = 1,212,498,976,753,936
  5. Step 5: Solve for x
    x = 1,212,498,976,753,936/15,921,158
  6. Step 6: Final answer
    x = 76,156,456.51

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.