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Finding the Third Proportional to 180,325.50 and 391,755

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Solution

The third proportional to 180,325.50 and 391,755 is: 851,083.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,325.50 : 391,755 = 391,755 : x
  2. Step 2: Convert to fraction form
    180,325.50/391,755 = 391,755/x
  3. Step 3: Cross multiply
    180,325.50x = 391,755 × 391,755
  4. Step 4: Simplify right side
    180,325.50x = 153,471,980,025
  5. Step 5: Solve for x
    x = 153,471,980,025/180,325.50
  6. Step 6: Final answer
    x = 851,083.07

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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.