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Finding the Third Proportional to 1,402.88 and 3,167.44

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Solution

The third proportional to 1,402.88 and 3,167.44 is: 7,151.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402.88 : 3,167.44 = 3,167.44 : x
  2. Step 2: Convert to fraction form
    1,402.88/3,167.44 = 3,167.44/x
  3. Step 3: Cross multiply
    1,402.88x = 3,167.44 × 3,167.44
  4. Step 4: Simplify right side
    1,402.88x = 10,032,660.32
  5. Step 5: Solve for x
    x = 10,032,660.32/1,402.88
  6. Step 6: Final answer
    x = 7,151.50

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Why These Related Problems?

These problems maintain the same ratio (2.26) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.