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Finding the Third Proportional to 3,409.13 and 7,356.75

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Solution

The third proportional to 3,409.13 and 7,356.75 is: 15,875.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,409.13 : 7,356.75 = 7,356.75 : x
  2. Step 2: Convert to fraction form
    3,409.13/7,356.75 = 7,356.75/x
  3. Step 3: Cross multiply
    3,409.13x = 7,356.75 × 7,356.75
  4. Step 4: Simplify right side
    3,409.13x = 54,121,770.56
  5. Step 5: Solve for x
    x = 54,121,770.56/3,409.13
  6. Step 6: Final answer
    x = 15,875.56

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.