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Finding the Third Proportional to 3,126 and 6,733.50

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Solution

The third proportional to 3,126 and 6,733.50 is: 14,504.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,126 : 6,733.50 = 6,733.50 : x
  2. Step 2: Convert to fraction form
    3,126/6,733.50 = 6,733.50/x
  3. Step 3: Cross multiply
    3,126x = 6,733.50 × 6,733.50
  4. Step 4: Simplify right side
    3,126x = 45,340,022.25
  5. Step 5: Solve for x
    x = 45,340,022.25/3,126
  6. Step 6: Final answer
    x = 14,504.17

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.