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Finding the Third Proportional to 238,696 and 519,998

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Solution

The third proportional to 238,696 and 519,998 is: 1,132,812.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,696 : 519,998 = 519,998 : x
  2. Step 2: Convert to fraction form
    238,696/519,998 = 519,998/x
  3. Step 3: Cross multiply
    238,696x = 519,998 × 519,998
  4. Step 4: Simplify right side
    238,696x = 270,397,920,004
  5. Step 5: Solve for x
    x = 270,397,920,004/238,696
  6. Step 6: Final answer
    x = 1,132,812.95

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.