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Finding the Third Proportional to 18,591 and 28,912.50

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Solution

The third proportional to 18,591 and 28,912.50 is: 44,964.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,591 : 28,912.50 = 28,912.50 : x
  2. Step 2: Convert to fraction form
    18,591/28,912.50 = 28,912.50/x
  3. Step 3: Cross multiply
    18,591x = 28,912.50 × 28,912.50
  4. Step 4: Simplify right side
    18,591x = 835,932,656.25
  5. Step 5: Solve for x
    x = 835,932,656.25/18,591
  6. Step 6: Final answer
    x = 44,964.37

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1.5x scale

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.