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Finding the Third Proportional to 69,876,846 and 151,399,179

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Solution

The third proportional to 69,876,846 and 151,399,179 is: 328,030,137.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,876,846 : 151,399,179 = 151,399,179 : x
  2. Step 2: Convert to fraction form
    69,876,846/151,399,179 = 151,399,179/x
  3. Step 3: Cross multiply
    69,876,846x = 151,399,179 × 151,399,179
  4. Step 4: Simplify right side
    69,876,846x = 22,921,711,401,874,040
  5. Step 5: Solve for x
    x = 22,921,711,401,874,040/69,876,846
  6. Step 6: Final answer
    x = 328,030,137.51

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.