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Finding the Third Proportional to 54,785,921 and 120,528,891

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Solution

The third proportional to 54,785,921 and 120,528,891 is: 265,163,262.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,785,921 : 120,528,891 = 120,528,891 : x
  2. Step 2: Convert to fraction form
    54,785,921/120,528,891 = 120,528,891/x
  3. Step 3: Cross multiply
    54,785,921x = 120,528,891 × 120,528,891
  4. Step 4: Simplify right side
    54,785,921x = 14,527,213,565,689,880
  5. Step 5: Solve for x
    x = 14,527,213,565,689,880/54,785,921
  6. Step 6: Final answer
    x = 265,163,262.76

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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.