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Finding the Third Proportional to 104,040 and 221,040

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Solution

The third proportional to 104,040 and 221,040 is: 469,614.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,040 : 221,040 = 221,040 : x
  2. Step 2: Convert to fraction form
    104,040/221,040 = 221,040/x
  3. Step 3: Cross multiply
    104,040x = 221,040 × 221,040
  4. Step 4: Simplify right side
    104,040x = 48,858,681,600
  5. Step 5: Solve for x
    x = 48,858,681,600/104,040
  6. Step 6: Final answer
    x = 469,614.39

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.