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Finding the Third Proportional to 18,088.50 and 28,290

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Solution

The third proportional to 18,088.50 and 28,290 is: 44,244.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,088.50 : 28,290 = 28,290 : x
  2. Step 2: Convert to fraction form
    18,088.50/28,290 = 28,290/x
  3. Step 3: Cross multiply
    18,088.50x = 28,290 × 28,290
  4. Step 4: Simplify right side
    18,088.50x = 800,324,100
  5. Step 5: Solve for x
    x = 800,324,100/18,088.50
  6. Step 6: Final answer
    x = 44,244.91

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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.