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Finding the Third Proportional to 156,255.75 and 336,244.50

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Solution

The third proportional to 156,255.75 and 336,244.50 is: 723,559.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,255.75 : 336,244.50 = 336,244.50 : x
  2. Step 2: Convert to fraction form
    156,255.75/336,244.50 = 336,244.50/x
  3. Step 3: Cross multiply
    156,255.75x = 336,244.50 × 336,244.50
  4. Step 4: Simplify right side
    156,255.75x = 113,060,363,780.25
  5. Step 5: Solve for x
    x = 113,060,363,780.25/156,255.75
  6. Step 6: Final answer
    x = 723,559.70

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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.