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Finding the Third Proportional to 3,134 and 7,409

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Solution

The third proportional to 3,134 and 7,409 is: 17,515.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,134 : 7,409 = 7,409 : x
  2. Step 2: Convert to fraction form
    3,134/7,409 = 7,409/x
  3. Step 3: Cross multiply
    3,134x = 7,409 × 7,409
  4. Step 4: Simplify right side
    3,134x = 54,893,281
  5. Step 5: Solve for x
    x = 54,893,281/3,134
  6. Step 6: Final answer
    x = 17,515.41

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.