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Finding the Third Proportional to 6,172 and 13,207

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Solution

The third proportional to 6,172 and 13,207 is: 28,260.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,172 : 13,207 = 13,207 : x
  2. Step 2: Convert to fraction form
    6,172/13,207 = 13,207/x
  3. Step 3: Cross multiply
    6,172x = 13,207 × 13,207
  4. Step 4: Simplify right side
    6,172x = 174,424,849
  5. Step 5: Solve for x
    x = 174,424,849/6,172
  6. Step 6: Final answer
    x = 28,260.67

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.