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Finding the Third Proportional to 8,632,131 and 18,908,886

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Solution

The third proportional to 8,632,131 and 18,908,886 is: 41,420,359.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,632,131 : 18,908,886 = 18,908,886 : x
  2. Step 2: Convert to fraction form
    8,632,131/18,908,886 = 18,908,886/x
  3. Step 3: Cross multiply
    8,632,131x = 18,908,886 × 18,908,886
  4. Step 4: Simplify right side
    8,632,131x = 357,545,969,760,996
  5. Step 5: Solve for x
    x = 357,545,969,760,996/8,632,131
  6. Step 6: Final answer
    x = 41,420,359.56

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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.