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Finding the Third Proportional to 79,155,038 and 121,086,687

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Solution

The third proportional to 79,155,038 and 121,086,687 is: 185,231,239.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,155,038 : 121,086,687 = 121,086,687 : x
  2. Step 2: Convert to fraction form
    79,155,038/121,086,687 = 121,086,687/x
  3. Step 3: Cross multiply
    79,155,038x = 121,086,687 × 121,086,687
  4. Step 4: Simplify right side
    79,155,038x = 14,661,985,768,635,968
  5. Step 5: Solve for x
    x = 14,661,985,768,635,968/79,155,038
  6. Step 6: Final answer
    x = 185,231,239.09

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.