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Finding the Third Proportional to 1,693.13 and 2,540.25

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Solution

The third proportional to 1,693.13 and 2,540.25 is: 3,811.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,693.13 : 2,540.25 = 2,540.25 : x
  2. Step 2: Convert to fraction form
    1,693.13/2,540.25 = 2,540.25/x
  3. Step 3: Cross multiply
    1,693.13x = 2,540.25 × 2,540.25
  4. Step 4: Simplify right side
    1,693.13x = 6,452,870.06
  5. Step 5: Solve for x
    x = 6,452,870.06/1,693.13
  6. Step 6: Final answer
    x = 3,811.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.