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Finding the Third Proportional to 6,154 and 9,615

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Solution

The third proportional to 6,154 and 9,615 is: 15,022.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,154 : 9,615 = 9,615 : x
  2. Step 2: Convert to fraction form
    6,154/9,615 = 9,615/x
  3. Step 3: Cross multiply
    6,154x = 9,615 × 9,615
  4. Step 4: Simplify right side
    6,154x = 92,448,225
  5. Step 5: Solve for x
    x = 92,448,225/6,154
  6. Step 6: Final answer
    x = 15,022.46

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.