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Finding the Third Proportional to 15,330 and 32,206

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Solution

The third proportional to 15,330 and 32,206 is: 67,659.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,330 : 32,206 = 32,206 : x
  2. Step 2: Convert to fraction form
    15,330/32,206 = 32,206/x
  3. Step 3: Cross multiply
    15,330x = 32,206 × 32,206
  4. Step 4: Simplify right side
    15,330x = 1,037,226,436
  5. Step 5: Solve for x
    x = 1,037,226,436/15,330
  6. Step 6: Final answer
    x = 67,659.91

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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.