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Finding the Third Proportional to 2,191 and 3,526.50

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Solution

The third proportional to 2,191 and 3,526.50 is: 5,676.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191 : 3,526.50 = 3,526.50 : x
  2. Step 2: Convert to fraction form
    2,191/3,526.50 = 3,526.50/x
  3. Step 3: Cross multiply
    2,191x = 3,526.50 × 3,526.50
  4. Step 4: Simplify right side
    2,191x = 12,436,202.25
  5. Step 5: Solve for x
    x = 12,436,202.25/2,191
  6. Step 6: Final answer
    x = 5,676.04

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.