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Finding the Third Proportional to 3,370 and 6,209

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Solution

The third proportional to 3,370 and 6,209 is: 11,439.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,370 : 6,209 = 6,209 : x
  2. Step 2: Convert to fraction form
    3,370/6,209 = 6,209/x
  3. Step 3: Cross multiply
    3,370x = 6,209 × 6,209
  4. Step 4: Simplify right side
    3,370x = 38,551,681
  5. Step 5: Solve for x
    x = 38,551,681/3,370
  6. Step 6: Final answer
    x = 11,439.67

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Why These Related Problems?

These problems maintain the same ratio (1.84) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.