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Finding the Third Proportional to 2,983.50 and 6,628.50

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Solution

The third proportional to 2,983.50 and 6,628.50 is: 14,726.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,983.50 : 6,628.50 = 6,628.50 : x
  2. Step 2: Convert to fraction form
    2,983.50/6,628.50 = 6,628.50/x
  3. Step 3: Cross multiply
    2,983.50x = 6,628.50 × 6,628.50
  4. Step 4: Simplify right side
    2,983.50x = 43,937,012.25
  5. Step 5: Solve for x
    x = 43,937,012.25/2,983.50
  6. Step 6: Final answer
    x = 14,726.67

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.