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Finding the Third Proportional to 8,201 and 16,985

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Solution

The third proportional to 8,201 and 16,985 is: 35,177.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,201 : 16,985 = 16,985 : x
  2. Step 2: Convert to fraction form
    8,201/16,985 = 16,985/x
  3. Step 3: Cross multiply
    8,201x = 16,985 × 16,985
  4. Step 4: Simplify right side
    8,201x = 288,490,225
  5. Step 5: Solve for x
    x = 288,490,225/8,201
  6. Step 6: Final answer
    x = 35,177.44

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.