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Finding the Third Proportional to 1,788.63 and 2,672.63

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Solution

The third proportional to 1,788.63 and 2,672.63 is: 3,993.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,788.63 : 2,672.63 = 2,672.63 : x
  2. Step 2: Convert to fraction form
    1,788.63/2,672.63 = 2,672.63/x
  3. Step 3: Cross multiply
    1,788.63x = 2,672.63 × 2,672.63
  4. Step 4: Simplify right side
    1,788.63x = 7,142,924.39
  5. Step 5: Solve for x
    x = 7,142,924.39/1,788.63
  6. Step 6: Final answer
    x = 3,993.53

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.