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Finding the Third Proportional to 8,517,930 and 18,577,392

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Solution

The third proportional to 8,517,930 and 18,577,392 is: 40,516,826.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,517,930 : 18,577,392 = 18,577,392 : x
  2. Step 2: Convert to fraction form
    8,517,930/18,577,392 = 18,577,392/x
  3. Step 3: Cross multiply
    8,517,930x = 18,577,392 × 18,577,392
  4. Step 4: Simplify right side
    8,517,930x = 345,119,493,521,664
  5. Step 5: Solve for x
    x = 345,119,493,521,664/8,517,930
  6. Step 6: Final answer
    x = 40,516,826.68

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.