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Finding the Third Proportional to 42,203,821.50 and 91,452,753

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Solution

The third proportional to 42,203,821.50 and 91,452,753 is: 198,171,770.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,203,821.50 : 91,452,753 = 91,452,753 : x
  2. Step 2: Convert to fraction form
    42,203,821.50/91,452,753 = 91,452,753/x
  3. Step 3: Cross multiply
    42,203,821.50x = 91,452,753 × 91,452,753
  4. Step 4: Simplify right side
    42,203,821.50x = 8,363,606,031,279,009
  5. Step 5: Solve for x
    x = 8,363,606,031,279,009/42,203,821.50
  6. Step 6: Final answer
    x = 198,171,770.57

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.