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Finding the Third Proportional to 7,981,811 and 17,508,748

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Solution

The third proportional to 7,981,811 and 17,508,748 is: 38,406,854.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,981,811 : 17,508,748 = 17,508,748 : x
  2. Step 2: Convert to fraction form
    7,981,811/17,508,748 = 17,508,748/x
  3. Step 3: Cross multiply
    7,981,811x = 17,508,748 × 17,508,748
  4. Step 4: Simplify right side
    7,981,811x = 306,556,256,527,504
  5. Step 5: Solve for x
    x = 306,556,256,527,504/7,981,811
  6. Step 6: Final answer
    x = 38,406,854.85

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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.