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Finding the Third Proportional to 3,240,558 and 6,979,716

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Solution

The third proportional to 3,240,558 and 6,979,716 is: 15,033,347.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240,558 : 6,979,716 = 6,979,716 : x
  2. Step 2: Convert to fraction form
    3,240,558/6,979,716 = 6,979,716/x
  3. Step 3: Cross multiply
    3,240,558x = 6,979,716 × 6,979,716
  4. Step 4: Simplify right side
    3,240,558x = 48,716,435,440,656
  5. Step 5: Solve for x
    x = 48,716,435,440,656/3,240,558
  6. Step 6: Final answer
    x = 15,033,347.79

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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.