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Finding the Third Proportional to 13,344.75 and 15,774.75

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Solution

The third proportional to 13,344.75 and 15,774.75 is: 18,647.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,344.75 : 15,774.75 = 15,774.75 : x
  2. Step 2: Convert to fraction form
    13,344.75/15,774.75 = 15,774.75/x
  3. Step 3: Cross multiply
    13,344.75x = 15,774.75 × 15,774.75
  4. Step 4: Simplify right side
    13,344.75x = 248,842,737.56
  5. Step 5: Solve for x
    x = 248,842,737.56/13,344.75
  6. Step 6: Final answer
    x = 18,647.24

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Why These Related Problems?

These problems maintain the same ratio (1.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.