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Finding the Third Proportional to 3,530.50 and 7,617

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Solution

The third proportional to 3,530.50 and 7,617 is: 16,433.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530.50 : 7,617 = 7,617 : x
  2. Step 2: Convert to fraction form
    3,530.50/7,617 = 7,617/x
  3. Step 3: Cross multiply
    3,530.50x = 7,617 × 7,617
  4. Step 4: Simplify right side
    3,530.50x = 58,018,689
  5. Step 5: Solve for x
    x = 58,018,689/3,530.50
  6. Step 6: Final answer
    x = 16,433.56

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.