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Finding the Third Proportional to 4,445,409 and 9,553,503

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Solution

The third proportional to 4,445,409 and 9,553,503 is: 20,531,163.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,445,409 : 9,553,503 = 9,553,503 : x
  2. Step 2: Convert to fraction form
    4,445,409/9,553,503 = 9,553,503/x
  3. Step 3: Cross multiply
    4,445,409x = 9,553,503 × 9,553,503
  4. Step 4: Simplify right side
    4,445,409x = 91,269,419,571,009
  5. Step 5: Solve for x
    x = 91,269,419,571,009/4,445,409
  6. Step 6: Final answer
    x = 20,531,163.63

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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.