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Finding the Third Proportional to 667,625,844.38 and 981,439,605

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Solution

The third proportional to 667,625,844.38 and 981,439,605 is: 1,442,759,752.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,625,844.38 : 981,439,605 = 981,439,605 : x
  2. Step 2: Convert to fraction form
    667,625,844.38/981,439,605 = 981,439,605/x
  3. Step 3: Cross multiply
    667,625,844.38x = 981,439,605 × 981,439,605
  4. Step 4: Simplify right side
    667,625,844.38x = 963,223,698,262,556,032
  5. Step 5: Solve for x
    x = 963,223,698,262,556,032/667,625,844.38
  6. Step 6: Final answer
    x = 1,442,759,752.90

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.