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Finding the Third Proportional to 14,615 and 31,565.50

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Solution

The third proportional to 14,615 and 31,565.50 is: 68,175.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,615 : 31,565.50 = 31,565.50 : x
  2. Step 2: Convert to fraction form
    14,615/31,565.50 = 31,565.50/x
  3. Step 3: Cross multiply
    14,615x = 31,565.50 × 31,565.50
  4. Step 4: Simplify right side
    14,615x = 996,380,790.25
  5. Step 5: Solve for x
    x = 996,380,790.25/14,615
  6. Step 6: Final answer
    x = 68,175.22

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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.