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Finding the Third Proportional to 238,480.50 and 518,376.50

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Solution

The third proportional to 238,480.50 and 518,376.50 is: 1,126,776.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,480.50 : 518,376.50 = 518,376.50 : x
  2. Step 2: Convert to fraction form
    238,480.50/518,376.50 = 518,376.50/x
  3. Step 3: Cross multiply
    238,480.50x = 518,376.50 × 518,376.50
  4. Step 4: Simplify right side
    238,480.50x = 268,714,195,752.25
  5. Step 5: Solve for x
    x = 268,714,195,752.25/238,480.50
  6. Step 6: Final answer
    x = 1,126,776.39

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These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.