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Finding the Third Proportional to 3,105,478 and 6,786,668

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Solution

The third proportional to 3,105,478 and 6,786,668 is: 14,831,488.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,105,478 : 6,786,668 = 6,786,668 : x
  2. Step 2: Convert to fraction form
    3,105,478/6,786,668 = 6,786,668/x
  3. Step 3: Cross multiply
    3,105,478x = 6,786,668 × 6,786,668
  4. Step 4: Simplify right side
    3,105,478x = 46,058,862,542,224
  5. Step 5: Solve for x
    x = 46,058,862,542,224/3,105,478
  6. Step 6: Final answer
    x = 14,831,488.92

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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.