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Finding the Third Proportional to 9,615 and 14,603

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Solution

The third proportional to 9,615 and 14,603 is: 22,178.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,615 : 14,603 = 14,603 : x
  2. Step 2: Convert to fraction form
    9,615/14,603 = 14,603/x
  3. Step 3: Cross multiply
    9,615x = 14,603 × 14,603
  4. Step 4: Simplify right side
    9,615x = 213,247,609
  5. Step 5: Solve for x
    x = 213,247,609/9,615
  6. Step 6: Final answer
    x = 22,178.64

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.