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Finding the Third Proportional to 4,675,781 and 10,073,866

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Solution

The third proportional to 4,675,781 and 10,073,866 is: 21,703,919.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,675,781 : 10,073,866 = 10,073,866 : x
  2. Step 2: Convert to fraction form
    4,675,781/10,073,866 = 10,073,866/x
  3. Step 3: Cross multiply
    4,675,781x = 10,073,866 × 10,073,866
  4. Step 4: Simplify right side
    4,675,781x = 101,482,776,185,956
  5. Step 5: Solve for x
    x = 101,482,776,185,956/4,675,781
  6. Step 6: Final answer
    x = 21,703,919.88

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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.