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Finding the Third Proportional to 1,788.54 and 2,605.08

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Solution

The third proportional to 1,788.54 and 2,605.08 is: 3,794.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,788.54 : 2,605.08 = 2,605.08 : x
  2. Step 2: Convert to fraction form
    1,788.54/2,605.08 = 2,605.08/x
  3. Step 3: Cross multiply
    1,788.54x = 2,605.08 × 2,605.08
  4. Step 4: Simplify right side
    1,788.54x = 6,786,432.04
  5. Step 5: Solve for x
    x = 6,786,432.04/1,788.54
  6. Step 6: Final answer
    x = 3,794.40

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.