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Finding the Third Proportional to 1,038 and 1,826

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Solution

The third proportional to 1,038 and 1,826 is: 3,212.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038 : 1,826 = 1,826 : x
  2. Step 2: Convert to fraction form
    1,038/1,826 = 1,826/x
  3. Step 3: Cross multiply
    1,038x = 1,826 × 1,826
  4. Step 4: Simplify right side
    1,038x = 3,334,276
  5. Step 5: Solve for x
    x = 3,334,276/1,038
  6. Step 6: Final answer
    x = 3,212.21

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Why These Related Problems?

These problems maintain the same ratio (1.76) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.