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Finding the Third Proportional to 122,040 and 161,982

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Solution

The third proportional to 122,040 and 161,982 is: 214,996.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,040 : 161,982 = 161,982 : x
  2. Step 2: Convert to fraction form
    122,040/161,982 = 161,982/x
  3. Step 3: Cross multiply
    122,040x = 161,982 × 161,982
  4. Step 4: Simplify right side
    122,040x = 26,238,168,324
  5. Step 5: Solve for x
    x = 26,238,168,324/122,040
  6. Step 6: Final answer
    x = 214,996.46

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.