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Finding the Third Proportional to 148,812.75 and 351,220.50

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Solution

The third proportional to 148,812.75 and 351,220.50 is: 828,933.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,812.75 : 351,220.50 = 351,220.50 : x
  2. Step 2: Convert to fraction form
    148,812.75/351,220.50 = 351,220.50/x
  3. Step 3: Cross multiply
    148,812.75x = 351,220.50 × 351,220.50
  4. Step 4: Simplify right side
    148,812.75x = 123,355,839,620.25
  5. Step 5: Solve for x
    x = 123,355,839,620.25/148,812.75
  6. Step 6: Final answer
    x = 828,933.27

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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.