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Finding the Third Proportional to 853.03 and 1,874.07

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Solution

The third proportional to 853.03 and 1,874.07 is: 4,117.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    853.03 : 1,874.07 = 1,874.07 : x
  2. Step 2: Convert to fraction form
    853.03/1,874.07 = 1,874.07/x
  3. Step 3: Cross multiply
    853.03x = 1,874.07 × 1,874.07
  4. Step 4: Simplify right side
    853.03x = 3,512,154.18
  5. Step 5: Solve for x
    x = 3,512,154.18/853.03
  6. Step 6: Final answer
    x = 4,117.26

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.