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Finding the Third Proportional to 236,280.50 and 518,491

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Solution

The third proportional to 236,280.50 and 518,491 is: 1,137,770.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,280.50 : 518,491 = 518,491 : x
  2. Step 2: Convert to fraction form
    236,280.50/518,491 = 518,491/x
  3. Step 3: Cross multiply
    236,280.50x = 518,491 × 518,491
  4. Step 4: Simplify right side
    236,280.50x = 268,832,917,081
  5. Step 5: Solve for x
    x = 268,832,917,081/236,280.50
  6. Step 6: Final answer
    x = 1,137,770.22

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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.