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Finding the Third Proportional to 2,666.25 and 3,101.63

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Solution

The third proportional to 2,666.25 and 3,101.63 is: 3,608.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,666.25 : 3,101.63 = 3,101.63 : x
  2. Step 2: Convert to fraction form
    2,666.25/3,101.63 = 3,101.63/x
  3. Step 3: Cross multiply
    2,666.25x = 3,101.63 × 3,101.63
  4. Step 4: Simplify right side
    2,666.25x = 9,620,077.64
  5. Step 5: Solve for x
    x = 9,620,077.64/2,666.25
  6. Step 6: Final answer
    x = 3,608.09

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Why These Related Problems?

These problems maintain the same ratio (1.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.