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Finding the Third Proportional to 4,726,155 and 10,124,811

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Solution

The third proportional to 4,726,155 and 10,124,811 is: 21,690,316.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,726,155 : 10,124,811 = 10,124,811 : x
  2. Step 2: Convert to fraction form
    4,726,155/10,124,811 = 10,124,811/x
  3. Step 3: Cross multiply
    4,726,155x = 10,124,811 × 10,124,811
  4. Step 4: Simplify right side
    4,726,155x = 102,511,797,785,721
  5. Step 5: Solve for x
    x = 102,511,797,785,721/4,726,155
  6. Step 6: Final answer
    x = 21,690,316.50

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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.