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Finding the Third Proportional to 57,621,474 and 124,809,156

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Solution

The third proportional to 57,621,474 and 124,809,156 is: 270,338,891.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,621,474 : 124,809,156 = 124,809,156 : x
  2. Step 2: Convert to fraction form
    57,621,474/124,809,156 = 124,809,156/x
  3. Step 3: Cross multiply
    57,621,474x = 124,809,156 × 124,809,156
  4. Step 4: Simplify right side
    57,621,474x = 15,577,325,421,432,336
  5. Step 5: Solve for x
    x = 15,577,325,421,432,336/57,621,474
  6. Step 6: Final answer
    x = 270,338,891.74

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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.