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Finding the Third Proportional to 6,543,518 and 9,992,423

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Solution

The third proportional to 6,543,518 and 9,992,423 is: 15,259,149.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,543,518 : 9,992,423 = 9,992,423 : x
  2. Step 2: Convert to fraction form
    6,543,518/9,992,423 = 9,992,423/x
  3. Step 3: Cross multiply
    6,543,518x = 9,992,423 × 9,992,423
  4. Step 4: Simplify right side
    6,543,518x = 99,848,517,410,929
  5. Step 5: Solve for x
    x = 99,848,517,410,929/6,543,518
  6. Step 6: Final answer
    x = 15,259,149.19

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.