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Finding the Third Proportional to 103,740 and 164,682

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Solution

The third proportional to 103,740 and 164,682 is: 261,424.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,740 : 164,682 = 164,682 : x
  2. Step 2: Convert to fraction form
    103,740/164,682 = 164,682/x
  3. Step 3: Cross multiply
    103,740x = 164,682 × 164,682
  4. Step 4: Simplify right side
    103,740x = 27,120,161,124
  5. Step 5: Solve for x
    x = 27,120,161,124/103,740
  6. Step 6: Final answer
    x = 261,424.34

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.