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Finding the Third Proportional to 55,236 and 82,762

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Solution

The third proportional to 55,236 and 82,762 is: 124,005.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,236 : 82,762 = 82,762 : x
  2. Step 2: Convert to fraction form
    55,236/82,762 = 82,762/x
  3. Step 3: Cross multiply
    55,236x = 82,762 × 82,762
  4. Step 4: Simplify right side
    55,236x = 6,849,548,644
  5. Step 5: Solve for x
    x = 6,849,548,644/55,236
  6. Step 6: Final answer
    x = 124,005.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.