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Finding the Third Proportional to 8,806,864 and 18,217,856

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Solution

The third proportional to 8,806,864 and 18,217,856 is: 37,685,409.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,806,864 : 18,217,856 = 18,217,856 : x
  2. Step 2: Convert to fraction form
    8,806,864/18,217,856 = 18,217,856/x
  3. Step 3: Cross multiply
    8,806,864x = 18,217,856 × 18,217,856
  4. Step 4: Simplify right side
    8,806,864x = 331,890,277,236,736
  5. Step 5: Solve for x
    x = 331,890,277,236,736/8,806,864
  6. Step 6: Final answer
    x = 37,685,409.61

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.