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Finding the Third Proportional to 34,284,618 and 73,218,939

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Solution

The third proportional to 34,284,618 and 73,218,939 is: 156,367,879.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,284,618 : 73,218,939 = 73,218,939 : x
  2. Step 2: Convert to fraction form
    34,284,618/73,218,939 = 73,218,939/x
  3. Step 3: Cross multiply
    34,284,618x = 73,218,939 × 73,218,939
  4. Step 4: Simplify right side
    34,284,618x = 5,361,013,028,285,721
  5. Step 5: Solve for x
    x = 5,361,013,028,285,721/34,284,618
  6. Step 6: Final answer
    x = 156,367,879.85

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.