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Finding the Third Proportional to 23,085 and 28,309.50

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Solution

The third proportional to 23,085 and 28,309.50 is: 34,716.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,085 : 28,309.50 = 28,309.50 : x
  2. Step 2: Convert to fraction form
    23,085/28,309.50 = 28,309.50/x
  3. Step 3: Cross multiply
    23,085x = 28,309.50 × 28,309.50
  4. Step 4: Simplify right side
    23,085x = 801,427,790.25
  5. Step 5: Solve for x
    x = 801,427,790.25/23,085
  6. Step 6: Final answer
    x = 34,716.39

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Why These Related Problems?

These problems maintain the same ratio (1.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.