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Finding the Third Proportional to 15,325.50 and 20,595.09

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Solution

The third proportional to 15,325.50 and 20,595.09 is: 27,676.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,325.50 : 20,595.09 = 20,595.09 : x
  2. Step 2: Convert to fraction form
    15,325.50/20,595.09 = 20,595.09/x
  3. Step 3: Cross multiply
    15,325.50x = 20,595.09 × 20,595.09
  4. Step 4: Simplify right side
    15,325.50x = 424,157,886.57
  5. Step 5: Solve for x
    x = 424,157,886.57/15,325.50
  6. Step 6: Final answer
    x = 27,676.61

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.