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Finding the Third Proportional to 4,787,815 and 10,239,182

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Solution

The third proportional to 4,787,815 and 10,239,182 is: 21,897,430.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,787,815 : 10,239,182 = 10,239,182 : x
  2. Step 2: Convert to fraction form
    4,787,815/10,239,182 = 10,239,182/x
  3. Step 3: Cross multiply
    4,787,815x = 10,239,182 × 10,239,182
  4. Step 4: Simplify right side
    4,787,815x = 104,840,848,029,124
  5. Step 5: Solve for x
    x = 104,840,848,029,124/4,787,815
  6. Step 6: Final answer
    x = 21,897,430.88

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.