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Finding the Third Proportional to 8,669,932 and 18,866,124

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Solution

The third proportional to 8,669,932 and 18,866,124 is: 41,053,451.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,669,932 : 18,866,124 = 18,866,124 : x
  2. Step 2: Convert to fraction form
    8,669,932/18,866,124 = 18,866,124/x
  3. Step 3: Cross multiply
    8,669,932x = 18,866,124 × 18,866,124
  4. Step 4: Simplify right side
    8,669,932x = 355,930,634,783,376
  5. Step 5: Solve for x
    x = 355,930,634,783,376/8,669,932
  6. Step 6: Final answer
    x = 41,053,451.72

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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.