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Finding the Third Proportional to 3,155,048 and 6,907,144

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Solution

The third proportional to 3,155,048 and 6,907,144 is: 15,121,366.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155,048 : 6,907,144 = 6,907,144 : x
  2. Step 2: Convert to fraction form
    3,155,048/6,907,144 = 6,907,144/x
  3. Step 3: Cross multiply
    3,155,048x = 6,907,144 × 6,907,144
  4. Step 4: Simplify right side
    3,155,048x = 47,708,638,236,736
  5. Step 5: Solve for x
    x = 47,708,638,236,736/3,155,048
  6. Step 6: Final answer
    x = 15,121,366.85

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.