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Finding the Third Proportional to 10,172 and 16,206

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Solution

The third proportional to 10,172 and 16,206 is: 25,819.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,172 : 16,206 = 16,206 : x
  2. Step 2: Convert to fraction form
    10,172/16,206 = 16,206/x
  3. Step 3: Cross multiply
    10,172x = 16,206 × 16,206
  4. Step 4: Simplify right side
    10,172x = 262,634,436
  5. Step 5: Solve for x
    x = 262,634,436/10,172
  6. Step 6: Final answer
    x = 25,819.35

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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.