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Finding the Third Proportional to 7,322,872 and 15,947,551

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Solution

The third proportional to 7,322,872 and 15,947,551 is: 34,730,141.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,322,872 : 15,947,551 = 15,947,551 : x
  2. Step 2: Convert to fraction form
    7,322,872/15,947,551 = 15,947,551/x
  3. Step 3: Cross multiply
    7,322,872x = 15,947,551 × 15,947,551
  4. Step 4: Simplify right side
    7,322,872x = 254,324,382,897,601
  5. Step 5: Solve for x
    x = 254,324,382,897,601/7,322,872
  6. Step 6: Final answer
    x = 34,730,141.79

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.