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Finding the Third Proportional to 6,667,560 and 9,957,420

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Solution

The third proportional to 6,667,560 and 9,957,420 is: 14,870,539.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,667,560 : 9,957,420 = 9,957,420 : x
  2. Step 2: Convert to fraction form
    6,667,560/9,957,420 = 9,957,420/x
  3. Step 3: Cross multiply
    6,667,560x = 9,957,420 × 9,957,420
  4. Step 4: Simplify right side
    6,667,560x = 99,150,213,056,400
  5. Step 5: Solve for x
    x = 99,150,213,056,400/6,667,560
  6. Step 6: Final answer
    x = 14,870,539.31

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.