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Finding the Third Proportional to 42,682 and 93,138

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Solution

The third proportional to 42,682 and 93,138 is: 203,239.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,682 : 93,138 = 93,138 : x
  2. Step 2: Convert to fraction form
    42,682/93,138 = 93,138/x
  3. Step 3: Cross multiply
    42,682x = 93,138 × 93,138
  4. Step 4: Simplify right side
    42,682x = 8,674,687,044
  5. Step 5: Solve for x
    x = 8,674,687,044/42,682
  6. Step 6: Final answer
    x = 203,239.94

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.