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Finding the Third Proportional to 9,815 and 15,163.50

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Solution

The third proportional to 9,815 and 15,163.50 is: 23,426.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,815 : 15,163.50 = 15,163.50 : x
  2. Step 2: Convert to fraction form
    9,815/15,163.50 = 15,163.50/x
  3. Step 3: Cross multiply
    9,815x = 15,163.50 × 15,163.50
  4. Step 4: Simplify right side
    9,815x = 229,931,732.25
  5. Step 5: Solve for x
    x = 229,931,732.25/9,815
  6. Step 6: Final answer
    x = 23,426.56

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.