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Finding the Third Proportional to 2,376.75 and 5,117.25

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Solution

The third proportional to 2,376.75 and 5,117.25 is: 11,017.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,376.75 : 5,117.25 = 5,117.25 : x
  2. Step 2: Convert to fraction form
    2,376.75/5,117.25 = 5,117.25/x
  3. Step 3: Cross multiply
    2,376.75x = 5,117.25 × 5,117.25
  4. Step 4: Simplify right side
    2,376.75x = 26,186,247.56
  5. Step 5: Solve for x
    x = 26,186,247.56/2,376.75
  6. Step 6: Final answer
    x = 11,017.67

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.