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Finding the Third Proportional to 834.47 and 1,806.05

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Solution

The third proportional to 834.47 and 1,806.05 is: 3,908.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    834.47 : 1,806.05 = 1,806.05 : x
  2. Step 2: Convert to fraction form
    834.47/1,806.05 = 1,806.05/x
  3. Step 3: Cross multiply
    834.47x = 1,806.05 × 1,806.05
  4. Step 4: Simplify right side
    834.47x = 3,261,805.31
  5. Step 5: Solve for x
    x = 3,261,805.31/834.47
  6. Step 6: Final answer
    x = 3,908.84

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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.