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Finding the Third Proportional to 57,266 and 84,182

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Solution

The third proportional to 57,266 and 84,182 is: 123,748.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,266 : 84,182 = 84,182 : x
  2. Step 2: Convert to fraction form
    57,266/84,182 = 84,182/x
  3. Step 3: Cross multiply
    57,266x = 84,182 × 84,182
  4. Step 4: Simplify right side
    57,266x = 7,086,609,124
  5. Step 5: Solve for x
    x = 7,086,609,124/57,266
  6. Step 6: Final answer
    x = 123,748.98

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.