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Finding the Third Proportional to 12,944,295 and 20,098,485

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Solution

The third proportional to 12,944,295 and 20,098,485 is: 31,206,728.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,944,295 : 20,098,485 = 20,098,485 : x
  2. Step 2: Convert to fraction form
    12,944,295/20,098,485 = 20,098,485/x
  3. Step 3: Cross multiply
    12,944,295x = 20,098,485 × 20,098,485
  4. Step 4: Simplify right side
    12,944,295x = 403,949,099,295,225
  5. Step 5: Solve for x
    x = 403,949,099,295,225/12,944,295
  6. Step 6: Final answer
    x = 31,206,728.47

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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.