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Finding the Third Proportional to 7,560 and 18,180

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Solution

The third proportional to 7,560 and 18,180 is: 43,718.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,560 : 18,180 = 18,180 : x
  2. Step 2: Convert to fraction form
    7,560/18,180 = 18,180/x
  3. Step 3: Cross multiply
    7,560x = 18,180 × 18,180
  4. Step 4: Simplify right side
    7,560x = 330,512,400
  5. Step 5: Solve for x
    x = 330,512,400/7,560
  6. Step 6: Final answer
    x = 43,718.57

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Why These Related Problems?

These problems maintain the same ratio (2.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.