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Finding the Third Proportional to 1,581.25 and 3,465.13

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Solution

The third proportional to 1,581.25 and 3,465.13 is: 7,593.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581.25 : 3,465.13 = 3,465.13 : x
  2. Step 2: Convert to fraction form
    1,581.25/3,465.13 = 3,465.13/x
  3. Step 3: Cross multiply
    1,581.25x = 3,465.13 × 3,465.13
  4. Step 4: Simplify right side
    1,581.25x = 12,007,091.27
  5. Step 5: Solve for x
    x = 12,007,091.27/1,581.25
  6. Step 6: Final answer
    x = 7,593.42

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.