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Finding the Third Proportional to 55,500 and 81,252

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Solution

The third proportional to 55,500 and 81,252 is: 118,952.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,500 : 81,252 = 81,252 : x
  2. Step 2: Convert to fraction form
    55,500/81,252 = 81,252/x
  3. Step 3: Cross multiply
    55,500x = 81,252 × 81,252
  4. Step 4: Simplify right side
    55,500x = 6,601,887,504
  5. Step 5: Solve for x
    x = 6,601,887,504/55,500
  6. Step 6: Final answer
    x = 118,952.93

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.