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Finding the Third Proportional to 17,898 and 38,982

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Solution

The third proportional to 17,898 and 38,982 is: 84,903.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,898 : 38,982 = 38,982 : x
  2. Step 2: Convert to fraction form
    17,898/38,982 = 38,982/x
  3. Step 3: Cross multiply
    17,898x = 38,982 × 38,982
  4. Step 4: Simplify right side
    17,898x = 1,519,596,324
  5. Step 5: Solve for x
    x = 1,519,596,324/17,898
  6. Step 6: Final answer
    x = 84,903.14

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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.