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Finding the Third Proportional to 155,874.75 and 335,059.50

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Solution

The third proportional to 155,874.75 and 335,059.50 is: 720,224.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,874.75 : 335,059.50 = 335,059.50 : x
  2. Step 2: Convert to fraction form
    155,874.75/335,059.50 = 335,059.50/x
  3. Step 3: Cross multiply
    155,874.75x = 335,059.50 × 335,059.50
  4. Step 4: Simplify right side
    155,874.75x = 112,264,868,540.25
  5. Step 5: Solve for x
    x = 112,264,868,540.25/155,874.75
  6. Step 6: Final answer
    x = 720,224.85

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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.