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Finding the Third Proportional to 55,524 and 121,404

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Solution

The third proportional to 55,524 and 121,404 is: 265,451.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,524 : 121,404 = 121,404 : x
  2. Step 2: Convert to fraction form
    55,524/121,404 = 121,404/x
  3. Step 3: Cross multiply
    55,524x = 121,404 × 121,404
  4. Step 4: Simplify right side
    55,524x = 14,738,931,216
  5. Step 5: Solve for x
    x = 14,738,931,216/55,524
  6. Step 6: Final answer
    x = 265,451.54

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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.