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Finding the Third Proportional to 8,234,458 and 18,144,212

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Solution

The third proportional to 8,234,458 and 18,144,212 is: 39,979,854.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,234,458 : 18,144,212 = 18,144,212 : x
  2. Step 2: Convert to fraction form
    8,234,458/18,144,212 = 18,144,212/x
  3. Step 3: Cross multiply
    8,234,458x = 18,144,212 × 18,144,212
  4. Step 4: Simplify right side
    8,234,458x = 329,212,429,100,944
  5. Step 5: Solve for x
    x = 329,212,429,100,944/8,234,458
  6. Step 6: Final answer
    x = 39,979,854.06

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.