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Finding the Third Proportional to 1,301.19 and 2,081.19

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Solution

The third proportional to 1,301.19 and 2,081.19 is: 3,328.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301.19 : 2,081.19 = 2,081.19 : x
  2. Step 2: Convert to fraction form
    1,301.19/2,081.19 = 2,081.19/x
  3. Step 3: Cross multiply
    1,301.19x = 2,081.19 × 2,081.19
  4. Step 4: Simplify right side
    1,301.19x = 4,331,341.41
  5. Step 5: Solve for x
    x = 4,331,341.41/1,301.19
  6. Step 6: Final answer
    x = 3,328.76

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.