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Finding the Third Proportional to 73,828,299 and 159,015,876

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Solution

The third proportional to 73,828,299 and 159,015,876 is: 342,498,055.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,828,299 : 159,015,876 = 159,015,876 : x
  2. Step 2: Convert to fraction form
    73,828,299/159,015,876 = 159,015,876/x
  3. Step 3: Cross multiply
    73,828,299x = 159,015,876 × 159,015,876
  4. Step 4: Simplify right side
    73,828,299x = 25,286,048,820,047,376
  5. Step 5: Solve for x
    x = 25,286,048,820,047,376/73,828,299
  6. Step 6: Final answer
    x = 342,498,055.12

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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.