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Finding the Third Proportional to 2,005,890 and 4,177,668

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Solution

The third proportional to 2,005,890 and 4,177,668 is: 8,700,831.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,005,890 : 4,177,668 = 4,177,668 : x
  2. Step 2: Convert to fraction form
    2,005,890/4,177,668 = 4,177,668/x
  3. Step 3: Cross multiply
    2,005,890x = 4,177,668 × 4,177,668
  4. Step 4: Simplify right side
    2,005,890x = 17,452,909,918,224
  5. Step 5: Solve for x
    x = 17,452,909,918,224/2,005,890
  6. Step 6: Final answer
    x = 8,700,831.01

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.