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Finding the Third Proportional to 109,740 and 163,962

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Solution

The third proportional to 109,740 and 163,962 is: 244,974.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,740 : 163,962 = 163,962 : x
  2. Step 2: Convert to fraction form
    109,740/163,962 = 163,962/x
  3. Step 3: Cross multiply
    109,740x = 163,962 × 163,962
  4. Step 4: Simplify right side
    109,740x = 26,883,537,444
  5. Step 5: Solve for x
    x = 26,883,537,444/109,740
  6. Step 6: Final answer
    x = 244,974.83

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.