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Finding the Third Proportional to 131,451,612 and 204,345,918

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Solution

The third proportional to 131,451,612 and 204,345,918 is: 317,662,549.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,451,612 : 204,345,918 = 204,345,918 : x
  2. Step 2: Convert to fraction form
    131,451,612/204,345,918 = 204,345,918/x
  3. Step 3: Cross multiply
    131,451,612x = 204,345,918 × 204,345,918
  4. Step 4: Simplify right side
    131,451,612x = 41,757,254,203,262,720
  5. Step 5: Solve for x
    x = 41,757,254,203,262,720/131,451,612
  6. Step 6: Final answer
    x = 317,662,549.50

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.