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Finding the Third Proportional to 153,641,331.70 and 337,928,229.43

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Solution

The third proportional to 153,641,331.70 and 337,928,229.43 is: 743,260,208.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,641,331.70 : 337,928,229.43 = 337,928,229.43 : x
  2. Step 2: Convert to fraction form
    153,641,331.70/337,928,229.43 = 337,928,229.43/x
  3. Step 3: Cross multiply
    153,641,331.70x = 337,928,229.43 × 337,928,229.43
  4. Step 4: Simplify right side
    153,641,331.70x = 114,195,488,243,187,280
  5. Step 5: Solve for x
    x = 114,195,488,243,187,280/153,641,331.70
  6. Step 6: Final answer
    x = 743,260,208.56

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.