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Finding the Third Proportional to 68,285,037.50 and 150,190,326.50

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Solution

The third proportional to 68,285,037.50 and 150,190,326.50 is: 330,337,874.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,285,037.50 : 150,190,326.50 = 150,190,326.50 : x
  2. Step 2: Convert to fraction form
    68,285,037.50/150,190,326.50 = 150,190,326.50/x
  3. Step 3: Cross multiply
    68,285,037.50x = 150,190,326.50 × 150,190,326.50
  4. Step 4: Simplify right side
    68,285,037.50x = 22,557,134,174,176,604
  5. Step 5: Solve for x
    x = 22,557,134,174,176,604/68,285,037.50
  6. Step 6: Final answer
    x = 330,337,874.88

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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.