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Finding the Third Proportional to 9,288,470 and 20,126,977

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Solution

The third proportional to 9,288,470 and 20,126,977 is: 43,612,694.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,288,470 : 20,126,977 = 20,126,977 : x
  2. Step 2: Convert to fraction form
    9,288,470/20,126,977 = 20,126,977/x
  3. Step 3: Cross multiply
    9,288,470x = 20,126,977 × 20,126,977
  4. Step 4: Simplify right side
    9,288,470x = 405,095,203,158,529
  5. Step 5: Solve for x
    x = 405,095,203,158,529/9,288,470
  6. Step 6: Final answer
    x = 43,612,694.36

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.