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Finding the Third Proportional to 33,320 and 51,573

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Solution

The third proportional to 33,320 and 51,573 is: 79,825.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,320 : 51,573 = 51,573 : x
  2. Step 2: Convert to fraction form
    33,320/51,573 = 51,573/x
  3. Step 3: Cross multiply
    33,320x = 51,573 × 51,573
  4. Step 4: Simplify right side
    33,320x = 2,659,774,329
  5. Step 5: Solve for x
    x = 2,659,774,329/33,320
  6. Step 6: Final answer
    x = 79,825.16

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.