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Finding the Third Proportional to 25,183 and 39,172

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Solution

The third proportional to 25,183 and 39,172 is: 60,931.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,183 : 39,172 = 39,172 : x
  2. Step 2: Convert to fraction form
    25,183/39,172 = 39,172/x
  3. Step 3: Cross multiply
    25,183x = 39,172 × 39,172
  4. Step 4: Simplify right side
    25,183x = 1,534,445,584
  5. Step 5: Solve for x
    x = 1,534,445,584/25,183
  6. Step 6: Final answer
    x = 60,931.80

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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.