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Finding the Third Proportional to 57,441 and 84,159

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Solution

The third proportional to 57,441 and 84,159 is: 123,304.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,441 : 84,159 = 84,159 : x
  2. Step 2: Convert to fraction form
    57,441/84,159 = 84,159/x
  3. Step 3: Cross multiply
    57,441x = 84,159 × 84,159
  4. Step 4: Simplify right side
    57,441x = 7,082,737,281
  5. Step 5: Solve for x
    x = 7,082,737,281/57,441
  6. Step 6: Final answer
    x = 123,304.56

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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.