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Finding the Third Proportional to 842.06 and 1,845.70

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Solution

The third proportional to 842.06 and 1,845.70 is: 4,045.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    842.06 : 1,845.70 = 1,845.70 : x
  2. Step 2: Convert to fraction form
    842.06/1,845.70 = 1,845.70/x
  3. Step 3: Cross multiply
    842.06x = 1,845.70 × 1,845.70
  4. Step 4: Simplify right side
    842.06x = 3,406,620.03
  5. Step 5: Solve for x
    x = 3,406,620.03/842.06
  6. Step 6: Final answer
    x = 4,045.57

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.