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Finding the Third Proportional to 12,515,981 and 25,991,190

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Solution

The third proportional to 12,515,981 and 25,991,190 is: 53,974,351.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,515,981 : 25,991,190 = 25,991,190 : x
  2. Step 2: Convert to fraction form
    12,515,981/25,991,190 = 25,991,190/x
  3. Step 3: Cross multiply
    12,515,981x = 25,991,190 × 25,991,190
  4. Step 4: Simplify right side
    12,515,981x = 675,541,957,616,100
  5. Step 5: Solve for x
    x = 675,541,957,616,100/12,515,981
  6. Step 6: Final answer
    x = 53,974,351.48

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.