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Finding the Third Proportional to 13,474,212 and 20,711,040

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Solution

The third proportional to 13,474,212 and 20,711,040 is: 31,834,676.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,474,212 : 20,711,040 = 20,711,040 : x
  2. Step 2: Convert to fraction form
    13,474,212/20,711,040 = 20,711,040/x
  3. Step 3: Cross multiply
    13,474,212x = 20,711,040 × 20,711,040
  4. Step 4: Simplify right side
    13,474,212x = 428,947,177,881,600
  5. Step 5: Solve for x
    x = 428,947,177,881,600/13,474,212
  6. Step 6: Final answer
    x = 31,834,676.33

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.