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Finding the Third Proportional to 131,755.50 and 310,887

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Solution

The third proportional to 131,755.50 and 310,887 is: 733,561.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,755.50 : 310,887 = 310,887 : x
  2. Step 2: Convert to fraction form
    131,755.50/310,887 = 310,887/x
  3. Step 3: Cross multiply
    131,755.50x = 310,887 × 310,887
  4. Step 4: Simplify right side
    131,755.50x = 96,650,726,769
  5. Step 5: Solve for x
    x = 96,650,726,769/131,755.50
  6. Step 6: Final answer
    x = 733,561.23

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.