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Finding the Third Proportional to 1,318,903,940 and 2,040,335,328

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Solution

The third proportional to 1,318,903,940 and 2,040,335,328 is: 3,156,384,725.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,903,940 : 2,040,335,328 = 2,040,335,328 : x
  2. Step 2: Convert to fraction form
    1,318,903,940/2,040,335,328 = 2,040,335,328/x
  3. Step 3: Cross multiply
    1,318,903,940x = 2,040,335,328 × 2,040,335,328
  4. Step 4: Simplify right side
    1,318,903,940x = 4,162,968,250,684,867,584
  5. Step 5: Solve for x
    x = 4,162,968,250,684,867,584/1,318,903,940
  6. Step 6: Final answer
    x = 3,156,384,725.55

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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.