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Finding the Third Proportional to 3,156,846 and 6,818,132

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Solution

The third proportional to 3,156,846 and 6,818,132 is: 14,725,749.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,156,846 : 6,818,132 = 6,818,132 : x
  2. Step 2: Convert to fraction form
    3,156,846/6,818,132 = 6,818,132/x
  3. Step 3: Cross multiply
    3,156,846x = 6,818,132 × 6,818,132
  4. Step 4: Simplify right side
    3,156,846x = 46,486,923,969,424
  5. Step 5: Solve for x
    x = 46,486,923,969,424/3,156,846
  6. Step 6: Final answer
    x = 14,725,749.68

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.