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Finding the Third Proportional to 172,332 and 376,668

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Solution

The third proportional to 172,332 and 376,668 is: 823,287.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,332 : 376,668 = 376,668 : x
  2. Step 2: Convert to fraction form
    172,332/376,668 = 376,668/x
  3. Step 3: Cross multiply
    172,332x = 376,668 × 376,668
  4. Step 4: Simplify right side
    172,332x = 141,878,782,224
  5. Step 5: Solve for x
    x = 141,878,782,224/172,332
  6. Step 6: Final answer
    x = 823,287.50

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.