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Finding the Third Proportional to 15,347 and 32,245

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Solution

The third proportional to 15,347 and 32,245 is: 67,748.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,347 : 32,245 = 32,245 : x
  2. Step 2: Convert to fraction form
    15,347/32,245 = 32,245/x
  3. Step 3: Cross multiply
    15,347x = 32,245 × 32,245
  4. Step 4: Simplify right side
    15,347x = 1,039,740,025
  5. Step 5: Solve for x
    x = 1,039,740,025/15,347
  6. Step 6: Final answer
    x = 67,748.75

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.