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Finding the Third Proportional to 18,085.46 and 28,285.77

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Solution

The third proportional to 18,085.46 and 28,285.77 is: 44,239.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,085.46 : 28,285.77 = 28,285.77 : x
  2. Step 2: Convert to fraction form
    18,085.46/28,285.77 = 28,285.77/x
  3. Step 3: Cross multiply
    18,085.46x = 28,285.77 × 28,285.77
  4. Step 4: Simplify right side
    18,085.46x = 800,084,757.97
  5. Step 5: Solve for x
    x = 800,084,757.97/18,085.46
  6. Step 6: Final answer
    x = 44,239.10

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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.