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Finding the Third Proportional to 79,798,177.69 and 171,906,370.88

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Solution

The third proportional to 79,798,177.69 and 171,906,370.88 is: 370,331,769.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,798,177.69 : 171,906,370.88 = 171,906,370.88 : x
  2. Step 2: Convert to fraction form
    79,798,177.69/171,906,370.88 = 171,906,370.88/x
  3. Step 3: Cross multiply
    79,798,177.69x = 171,906,370.88 × 171,906,370.88
  4. Step 4: Simplify right side
    79,798,177.69x = 29,551,800,347,413,048
  5. Step 5: Solve for x
    x = 29,551,800,347,413,048/79,798,177.69
  6. Step 6: Final answer
    x = 370,331,769.52

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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.