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Finding the Third Proportional to 15,134.50 and 20,229

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Solution

The third proportional to 15,134.50 and 20,229 is: 27,038.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,134.50 : 20,229 = 20,229 : x
  2. Step 2: Convert to fraction form
    15,134.50/20,229 = 20,229/x
  3. Step 3: Cross multiply
    15,134.50x = 20,229 × 20,229
  4. Step 4: Simplify right side
    15,134.50x = 409,212,441
  5. Step 5: Solve for x
    x = 409,212,441/15,134.50
  6. Step 6: Final answer
    x = 27,038.39

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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.