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Finding the Third Proportional to 15,423 and 33,273

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Solution

The third proportional to 15,423 and 33,273 is: 71,781.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,423 : 33,273 = 33,273 : x
  2. Step 2: Convert to fraction form
    15,423/33,273 = 33,273/x
  3. Step 3: Cross multiply
    15,423x = 33,273 × 33,273
  4. Step 4: Simplify right side
    15,423x = 1,107,092,529
  5. Step 5: Solve for x
    x = 1,107,092,529/15,423
  6. Step 6: Final answer
    x = 71,781.92

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.