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Finding the Third Proportional to 653,040,870 and 1,420,867,884

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Solution

The third proportional to 653,040,870 and 1,420,867,884 is: 3,091,484,218.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,040,870 : 1,420,867,884 = 1,420,867,884 : x
  2. Step 2: Convert to fraction form
    653,040,870/1,420,867,884 = 1,420,867,884/x
  3. Step 3: Cross multiply
    653,040,870x = 1,420,867,884 × 1,420,867,884
  4. Step 4: Simplify right side
    653,040,870x = 2,018,865,543,782,637,568
  5. Step 5: Solve for x
    x = 2,018,865,543,782,637,568/653,040,870
  6. Step 6: Final answer
    x = 3,091,484,218.72

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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.