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Finding the Third Proportional to 8,632,123 and 18,908,869

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Solution

The third proportional to 8,632,123 and 18,908,869 is: 41,420,323.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,632,123 : 18,908,869 = 18,908,869 : x
  2. Step 2: Convert to fraction form
    8,632,123/18,908,869 = 18,908,869/x
  3. Step 3: Cross multiply
    8,632,123x = 18,908,869 × 18,908,869
  4. Step 4: Simplify right side
    8,632,123x = 357,545,326,859,161
  5. Step 5: Solve for x
    x = 357,545,326,859,161/8,632,123
  6. Step 6: Final answer
    x = 41,420,323.47

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.