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Finding the Third Proportional to 18,358 and 39,524

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Solution

The third proportional to 18,358 and 39,524 is: 85,093.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,358 : 39,524 = 39,524 : x
  2. Step 2: Convert to fraction form
    18,358/39,524 = 39,524/x
  3. Step 3: Cross multiply
    18,358x = 39,524 × 39,524
  4. Step 4: Simplify right side
    18,358x = 1,562,146,576
  5. Step 5: Solve for x
    x = 1,562,146,576/18,358
  6. Step 6: Final answer
    x = 85,093.51

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.