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Finding the Third Proportional to 3,330,868.50 and 7,166,934

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Solution

The third proportional to 3,330,868.50 and 7,166,934 is: 15,420,885.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,330,868.50 : 7,166,934 = 7,166,934 : x
  2. Step 2: Convert to fraction form
    3,330,868.50/7,166,934 = 7,166,934/x
  3. Step 3: Cross multiply
    3,330,868.50x = 7,166,934 × 7,166,934
  4. Step 4: Simplify right side
    3,330,868.50x = 51,364,942,960,356
  5. Step 5: Solve for x
    x = 51,364,942,960,356/3,330,868.50
  6. Step 6: Final answer
    x = 15,420,885.86

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.