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Finding the Third Proportional to 28,898 and 39,188

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Solution

The third proportional to 28,898 and 39,188 is: 53,142.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,898 : 39,188 = 39,188 : x
  2. Step 2: Convert to fraction form
    28,898/39,188 = 39,188/x
  3. Step 3: Cross multiply
    28,898x = 39,188 × 39,188
  4. Step 4: Simplify right side
    28,898x = 1,535,699,344
  5. Step 5: Solve for x
    x = 1,535,699,344/28,898
  6. Step 6: Final answer
    x = 53,142.06

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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.