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Finding the Third Proportional to 3,876,471,460 and 8,454,543,458

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Solution

The third proportional to 3,876,471,460 and 8,454,543,458 is: 18,439,270,305.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,876,471,460 : 8,454,543,458 = 8,454,543,458 : x
  2. Step 2: Convert to fraction form
    3,876,471,460/8,454,543,458 = 8,454,543,458/x
  3. Step 3: Cross multiply
    3,876,471,460x = 8,454,543,458 × 8,454,543,458
  4. Step 4: Simplify right side
    3,876,471,460x = 71,479,305,083,210,596,352
  5. Step 5: Solve for x
    x = 71,479,305,083,210,596,352/3,876,471,460
  6. Step 6: Final answer
    x = 18,439,270,305.68

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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.