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Finding the Third Proportional to 2,940,456 and 6,331,447

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Solution

The third proportional to 2,940,456 and 6,331,447 is: 13,632,994.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,940,456 : 6,331,447 = 6,331,447 : x
  2. Step 2: Convert to fraction form
    2,940,456/6,331,447 = 6,331,447/x
  3. Step 3: Cross multiply
    2,940,456x = 6,331,447 × 6,331,447
  4. Step 4: Simplify right side
    2,940,456x = 40,087,221,113,809
  5. Step 5: Solve for x
    x = 40,087,221,113,809/2,940,456
  6. Step 6: Final answer
    x = 13,632,994.72

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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.