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Finding the Third Proportional to 41,124,279 and 90,320,219

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Solution

The third proportional to 41,124,279 and 90,320,219 is: 198,368,023.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,124,279 : 90,320,219 = 90,320,219 : x
  2. Step 2: Convert to fraction form
    41,124,279/90,320,219 = 90,320,219/x
  3. Step 3: Cross multiply
    41,124,279x = 90,320,219 × 90,320,219
  4. Step 4: Simplify right side
    41,124,279x = 8,157,741,960,207,961
  5. Step 5: Solve for x
    x = 8,157,741,960,207,961/41,124,279
  6. Step 6: Final answer
    x = 198,368,023.92

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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.