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Finding the Third Proportional to 162,861,571 and 354,986,821

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Solution

The third proportional to 162,861,571 and 354,986,821 is: 773,759,225.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,861,571 : 354,986,821 = 354,986,821 : x
  2. Step 2: Convert to fraction form
    162,861,571/354,986,821 = 354,986,821/x
  3. Step 3: Cross multiply
    162,861,571x = 354,986,821 × 354,986,821
  4. Step 4: Simplify right side
    162,861,571x = 126,015,643,083,686,048
  5. Step 5: Solve for x
    x = 126,015,643,083,686,048/162,861,571
  6. Step 6: Final answer
    x = 773,759,225.76

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.