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Finding the Third Proportional to 6,156 and 12,636

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Solution

The third proportional to 6,156 and 12,636 is: 25,937.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,156 : 12,636 = 12,636 : x
  2. Step 2: Convert to fraction form
    6,156/12,636 = 12,636/x
  3. Step 3: Cross multiply
    6,156x = 12,636 × 12,636
  4. Step 4: Simplify right side
    6,156x = 159,668,496
  5. Step 5: Solve for x
    x = 159,668,496/6,156
  6. Step 6: Final answer
    x = 25,937.05

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.