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Finding the Third Proportional to 7,441 and 11,521.50

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Solution

The third proportional to 7,441 and 11,521.50 is: 17,839.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,441 : 11,521.50 = 11,521.50 : x
  2. Step 2: Convert to fraction form
    7,441/11,521.50 = 11,521.50/x
  3. Step 3: Cross multiply
    7,441x = 11,521.50 × 11,521.50
  4. Step 4: Simplify right side
    7,441x = 132,744,962.25
  5. Step 5: Solve for x
    x = 132,744,962.25/7,441
  6. Step 6: Final answer
    x = 17,839.67

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.