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Finding the Third Proportional to 13,738,591 and 21,253,503

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Solution

The third proportional to 13,738,591 and 21,253,503 is: 32,879,018.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,738,591 : 21,253,503 = 21,253,503 : x
  2. Step 2: Convert to fraction form
    13,738,591/21,253,503 = 21,253,503/x
  3. Step 3: Cross multiply
    13,738,591x = 21,253,503 × 21,253,503
  4. Step 4: Simplify right side
    13,738,591x = 451,711,389,771,009
  5. Step 5: Solve for x
    x = 451,711,389,771,009/13,738,591
  6. Step 6: Final answer
    x = 32,879,018.65

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.