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Finding the Third Proportional to 148,133.50 and 328,296.50

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Solution

The third proportional to 148,133.50 and 328,296.50 is: 727,577.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,133.50 : 328,296.50 = 328,296.50 : x
  2. Step 2: Convert to fraction form
    148,133.50/328,296.50 = 328,296.50/x
  3. Step 3: Cross multiply
    148,133.50x = 328,296.50 × 328,296.50
  4. Step 4: Simplify right side
    148,133.50x = 107,778,591,912.25
  5. Step 5: Solve for x
    x = 107,778,591,912.25/148,133.50
  6. Step 6: Final answer
    x = 727,577.43

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.