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Finding the Third Proportional to 156,013.50 and 335,367

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Solution

The third proportional to 156,013.50 and 335,367 is: 720,905.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,013.50 : 335,367 = 335,367 : x
  2. Step 2: Convert to fraction form
    156,013.50/335,367 = 335,367/x
  3. Step 3: Cross multiply
    156,013.50x = 335,367 × 335,367
  4. Step 4: Simplify right side
    156,013.50x = 112,471,024,689
  5. Step 5: Solve for x
    x = 112,471,024,689/156,013.50
  6. Step 6: Final answer
    x = 720,905.72

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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.