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Finding the Third Proportional to 236,466.38 and 518,920.50

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Solution

The third proportional to 236,466.38 and 518,920.50 is: 1,138,760.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,466.38 : 518,920.50 = 518,920.50 : x
  2. Step 2: Convert to fraction form
    236,466.38/518,920.50 = 518,920.50/x
  3. Step 3: Cross multiply
    236,466.38x = 518,920.50 × 518,920.50
  4. Step 4: Simplify right side
    236,466.38x = 269,278,485,320.25
  5. Step 5: Solve for x
    x = 269,278,485,320.25/236,466.38
  6. Step 6: Final answer
    x = 1,138,760.15

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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.