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Finding the Third Proportional to 939,879,279 and 2,035,965,438

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Solution

The third proportional to 939,879,279 and 2,035,965,438 is: 4,410,306,043.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,879,279 : 2,035,965,438 = 2,035,965,438 : x
  2. Step 2: Convert to fraction form
    939,879,279/2,035,965,438 = 2,035,965,438/x
  3. Step 3: Cross multiply
    939,879,279x = 2,035,965,438 × 2,035,965,438
  4. Step 4: Simplify right side
    939,879,279x = 4,145,155,264,730,531,840
  5. Step 5: Solve for x
    x = 4,145,155,264,730,531,840/939,879,279
  6. Step 6: Final answer
    x = 4,410,306,043.92

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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.