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Finding the Third Proportional to 5,458,172,361 and 8,384,420,494

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Solution

The third proportional to 5,458,172,361 and 8,384,420,494 is: 12,879,495,620.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,458,172,361 : 8,384,420,494 = 8,384,420,494 : x
  2. Step 2: Convert to fraction form
    5,458,172,361/8,384,420,494 = 8,384,420,494/x
  3. Step 3: Cross multiply
    5,458,172,361x = 8,384,420,494 × 8,384,420,494
  4. Step 4: Simplify right side
    5,458,172,361x = 70,298,507,020,207,202,304
  5. Step 5: Solve for x
    x = 70,298,507,020,207,202,304/5,458,172,361
  6. Step 6: Final answer
    x = 12,879,495,620.64

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.