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Finding the Third Proportional to 2,205,471,780 and 3,414,555,702

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Solution

The third proportional to 2,205,471,780 and 3,414,555,702 is: 5,286,483,711.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,205,471,780 : 3,414,555,702 = 3,414,555,702 : x
  2. Step 2: Convert to fraction form
    2,205,471,780/3,414,555,702 = 3,414,555,702/x
  3. Step 3: Cross multiply
    2,205,471,780x = 3,414,555,702 × 3,414,555,702
  4. Step 4: Simplify right side
    2,205,471,780x = 11,659,190,642,060,711,936
  5. Step 5: Solve for x
    x = 11,659,190,642,060,711,936/2,205,471,780
  6. Step 6: Final answer
    x = 5,286,483,711.92

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.