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Finding the Third Proportional to 12,538,660 and 25,608,720

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Solution

The third proportional to 12,538,660 and 25,608,720 is: 52,302,761.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,538,660 : 25,608,720 = 25,608,720 : x
  2. Step 2: Convert to fraction form
    12,538,660/25,608,720 = 25,608,720/x
  3. Step 3: Cross multiply
    12,538,660x = 25,608,720 × 25,608,720
  4. Step 4: Simplify right side
    12,538,660x = 655,806,540,038,400
  5. Step 5: Solve for x
    x = 655,806,540,038,400/12,538,660
  6. Step 6: Final answer
    x = 52,302,761.22

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.