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Finding the Third Proportional to 155,767.50 and 340,363.13

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Solution

The third proportional to 155,767.50 and 340,363.13 is: 743,717.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,767.50 : 340,363.13 = 340,363.13 : x
  2. Step 2: Convert to fraction form
    155,767.50/340,363.13 = 340,363.13/x
  3. Step 3: Cross multiply
    155,767.50x = 340,363.13 × 340,363.13
  4. Step 4: Simplify right side
    155,767.50x = 115,847,056,859.77
  5. Step 5: Solve for x
    x = 115,847,056,859.77/155,767.50
  6. Step 6: Final answer
    x = 743,717.76

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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.