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Finding the Third Proportional to 18,904.44 and 25,689.56

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Solution

The third proportional to 18,904.44 and 25,689.56 is: 34,909.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,904.44 : 25,689.56 = 25,689.56 : x
  2. Step 2: Convert to fraction form
    18,904.44/25,689.56 = 25,689.56/x
  3. Step 3: Cross multiply
    18,904.44x = 25,689.56 × 25,689.56
  4. Step 4: Simplify right side
    18,904.44x = 659,953,621.44
  5. Step 5: Solve for x
    x = 659,953,621.44/18,904.44
  6. Step 6: Final answer
    x = 34,909.98

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.