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Finding the Third Proportional to 3,148,311 and 6,958,176

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Solution

The third proportional to 3,148,311 and 6,958,176 is: 15,378,472.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148,311 : 6,958,176 = 6,958,176 : x
  2. Step 2: Convert to fraction form
    3,148,311/6,958,176 = 6,958,176/x
  3. Step 3: Cross multiply
    3,148,311x = 6,958,176 × 6,958,176
  4. Step 4: Simplify right side
    3,148,311x = 48,416,213,246,976
  5. Step 5: Solve for x
    x = 48,416,213,246,976/3,148,311
  6. Step 6: Final answer
    x = 15,378,472.22

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.