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Finding the Third Proportional to 107,890 and 220,064

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Solution

The third proportional to 107,890 and 220,064 is: 448,866.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,890 : 220,064 = 220,064 : x
  2. Step 2: Convert to fraction form
    107,890/220,064 = 220,064/x
  3. Step 3: Cross multiply
    107,890x = 220,064 × 220,064
  4. Step 4: Simplify right side
    107,890x = 48,428,164,096
  5. Step 5: Solve for x
    x = 48,428,164,096/107,890
  6. Step 6: Final answer
    x = 448,866.11

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.