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Finding the Third Proportional to 156,750 and 235,120

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Solution

The third proportional to 156,750 and 235,120 is: 352,672.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,750 : 235,120 = 235,120 : x
  2. Step 2: Convert to fraction form
    156,750/235,120 = 235,120/x
  3. Step 3: Cross multiply
    156,750x = 235,120 × 235,120
  4. Step 4: Simplify right side
    156,750x = 55,281,414,400
  5. Step 5: Solve for x
    x = 55,281,414,400/156,750
  6. Step 6: Final answer
    x = 352,672.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.