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Finding the Third Proportional to 158,149.50 and 340,491

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Solution

The third proportional to 158,149.50 and 340,491 is: 733,066.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,149.50 : 340,491 = 340,491 : x
  2. Step 2: Convert to fraction form
    158,149.50/340,491 = 340,491/x
  3. Step 3: Cross multiply
    158,149.50x = 340,491 × 340,491
  4. Step 4: Simplify right side
    158,149.50x = 115,934,121,081
  5. Step 5: Solve for x
    x = 115,934,121,081/158,149.50
  6. Step 6: Final answer
    x = 733,066.63

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.