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Finding the Third Proportional to 308,506,732.31 and 667,332,899.44

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Solution

The third proportional to 308,506,732.31 and 667,332,899.44 is: 1,443,512,092.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,506,732.31 : 667,332,899.44 = 667,332,899.44 : x
  2. Step 2: Convert to fraction form
    308,506,732.31/667,332,899.44 = 667,332,899.44/x
  3. Step 3: Cross multiply
    308,506,732.31x = 667,332,899.44 × 667,332,899.44
  4. Step 4: Simplify right side
    308,506,732.31x = 445,333,198,671,660,480
  5. Step 5: Solve for x
    x = 445,333,198,671,660,480/308,506,732.31
  6. Step 6: Final answer
    x = 1,443,512,092.37

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.