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Finding the Third Proportional to 152,623.50 and 331,511.25

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Solution

The third proportional to 152,623.50 and 331,511.25 is: 720,070.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,623.50 : 331,511.25 = 331,511.25 : x
  2. Step 2: Convert to fraction form
    152,623.50/331,511.25 = 331,511.25/x
  3. Step 3: Cross multiply
    152,623.50x = 331,511.25 × 331,511.25
  4. Step 4: Simplify right side
    152,623.50x = 109,899,708,876.56
  5. Step 5: Solve for x
    x = 109,899,708,876.56/152,623.50
  6. Step 6: Final answer
    x = 720,070.69

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.