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Finding the Third Proportional to 855 and 2,037

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Solution

The third proportional to 855 and 2,037 is: 4,853.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    855 : 2,037 = 2,037 : x
  2. Step 2: Convert to fraction form
    855/2,037 = 2,037/x
  3. Step 3: Cross multiply
    855x = 2,037 × 2,037
  4. Step 4: Simplify right side
    855x = 4,149,369
  5. Step 5: Solve for x
    x = 4,149,369/855
  6. Step 6: Final answer
    x = 4,853.06

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Why These Related Problems?

These problems maintain the same ratio (2.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.