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Finding the Third Proportional to 15,396 and 36,231

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Solution

The third proportional to 15,396 and 36,231 is: 85,261.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,396 : 36,231 = 36,231 : x
  2. Step 2: Convert to fraction form
    15,396/36,231 = 36,231/x
  3. Step 3: Cross multiply
    15,396x = 36,231 × 36,231
  4. Step 4: Simplify right side
    15,396x = 1,312,685,361
  5. Step 5: Solve for x
    x = 1,312,685,361/15,396
  6. Step 6: Final answer
    x = 85,261.45

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.