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Finding the Third Proportional to 18,788.63 and 29,257.88

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Solution

The third proportional to 18,788.63 and 29,257.88 is: 45,560.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,788.63 : 29,257.88 = 29,257.88 : x
  2. Step 2: Convert to fraction form
    18,788.63/29,257.88 = 29,257.88/x
  3. Step 3: Cross multiply
    18,788.63x = 29,257.88 × 29,257.88
  4. Step 4: Simplify right side
    18,788.63x = 856,023,249.52
  5. Step 5: Solve for x
    x = 856,023,249.52/18,788.63
  6. Step 6: Final answer
    x = 45,560.72

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.