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Finding the Third Proportional to 7,722 and 17,475.75

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Solution

The third proportional to 7,722 and 17,475.75 is: 39,549.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,722 : 17,475.75 = 17,475.75 : x
  2. Step 2: Convert to fraction form
    7,722/17,475.75 = 17,475.75/x
  3. Step 3: Cross multiply
    7,722x = 17,475.75 × 17,475.75
  4. Step 4: Simplify right side
    7,722x = 305,401,838.06
  5. Step 5: Solve for x
    x = 305,401,838.06/7,722
  6. Step 6: Final answer
    x = 39,549.58

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Why These Related Problems?

These problems maintain the same ratio (2.26) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.