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Finding the Third Proportional to 172,936 and 372,554

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Solution

The third proportional to 172,936 and 372,554 is: 802,588.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,936 : 372,554 = 372,554 : x
  2. Step 2: Convert to fraction form
    172,936/372,554 = 372,554/x
  3. Step 3: Cross multiply
    172,936x = 372,554 × 372,554
  4. Step 4: Simplify right side
    172,936x = 138,796,482,916
  5. Step 5: Solve for x
    x = 138,796,482,916/172,936
  6. Step 6: Final answer
    x = 802,588.72

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.