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Finding the Third Proportional to 155,605.75 and 341,343.50

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Solution

The third proportional to 155,605.75 and 341,343.50 is: 748,785.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,605.75 : 341,343.50 = 341,343.50 : x
  2. Step 2: Convert to fraction form
    155,605.75/341,343.50 = 341,343.50/x
  3. Step 3: Cross multiply
    155,605.75x = 341,343.50 × 341,343.50
  4. Step 4: Simplify right side
    155,605.75x = 116,515,384,992.25
  5. Step 5: Solve for x
    x = 116,515,384,992.25/155,605.75
  6. Step 6: Final answer
    x = 748,785.86

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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.