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Finding the Third Proportional to 7,981,800 and 17,508,760.50

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Solution

The third proportional to 7,981,800 and 17,508,760.50 is: 38,406,962.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,981,800 : 17,508,760.50 = 17,508,760.50 : x
  2. Step 2: Convert to fraction form
    7,981,800/17,508,760.50 = 17,508,760.50/x
  3. Step 3: Cross multiply
    7,981,800x = 17,508,760.50 × 17,508,760.50
  4. Step 4: Simplify right side
    7,981,800x = 306,556,694,246,360.25
  5. Step 5: Solve for x
    x = 306,556,694,246,360.25/7,981,800
  6. Step 6: Final answer
    x = 38,406,962.62

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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.