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Finding the Third Proportional to 79,367,775 and 170,898,489

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Solution

The third proportional to 79,367,775 and 170,898,489 is: 367,986,799.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,367,775 : 170,898,489 = 170,898,489 : x
  2. Step 2: Convert to fraction form
    79,367,775/170,898,489 = 170,898,489/x
  3. Step 3: Cross multiply
    79,367,775x = 170,898,489 × 170,898,489
  4. Step 4: Simplify right side
    79,367,775x = 29,206,293,542,483,120
  5. Step 5: Solve for x
    x = 29,206,293,542,483,120/79,367,775
  6. Step 6: Final answer
    x = 367,986,799.96

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.