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Finding the Third Proportional to 712,979,356.50 and 1,531,383,399

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Solution

The third proportional to 712,979,356.50 and 1,531,383,399 is: 3,289,204,790.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,979,356.50 : 1,531,383,399 = 1,531,383,399 : x
  2. Step 2: Convert to fraction form
    712,979,356.50/1,531,383,399 = 1,531,383,399/x
  3. Step 3: Cross multiply
    712,979,356.50x = 1,531,383,399 × 1,531,383,399
  4. Step 4: Simplify right side
    712,979,356.50x = 2,345,135,114,732,793,344
  5. Step 5: Solve for x
    x = 2,345,135,114,732,793,344/712,979,356.50
  6. Step 6: Final answer
    x = 3,289,204,790.23

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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.