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Finding the Third Proportional to 70,454.75 and 156,100.50

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Solution

The third proportional to 70,454.75 and 156,100.50 is: 345,858.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,454.75 : 156,100.50 = 156,100.50 : x
  2. Step 2: Convert to fraction form
    70,454.75/156,100.50 = 156,100.50/x
  3. Step 3: Cross multiply
    70,454.75x = 156,100.50 × 156,100.50
  4. Step 4: Simplify right side
    70,454.75x = 24,367,366,100.25
  5. Step 5: Solve for x
    x = 24,367,366,100.25/70,454.75
  6. Step 6: Final answer
    x = 345,858.39

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.