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Finding the Third Proportional to 155,534.50 and 327,669.50

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Solution

The third proportional to 155,534.50 and 327,669.50 is: 690,311.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,534.50 : 327,669.50 = 327,669.50 : x
  2. Step 2: Convert to fraction form
    155,534.50/327,669.50 = 327,669.50/x
  3. Step 3: Cross multiply
    155,534.50x = 327,669.50 × 327,669.50
  4. Step 4: Simplify right side
    155,534.50x = 107,367,301,230.25
  5. Step 5: Solve for x
    x = 107,367,301,230.25/155,534.50
  6. Step 6: Final answer
    x = 690,311.80

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.