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Finding the Third Proportional to 183,493.50 and 389,039.50

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Solution

The third proportional to 183,493.50 and 389,039.50 is: 824,834.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,493.50 : 389,039.50 = 389,039.50 : x
  2. Step 2: Convert to fraction form
    183,493.50/389,039.50 = 389,039.50/x
  3. Step 3: Cross multiply
    183,493.50x = 389,039.50 × 389,039.50
  4. Step 4: Simplify right side
    183,493.50x = 151,351,732,560.25
  5. Step 5: Solve for x
    x = 151,351,732,560.25/183,493.50
  6. Step 6: Final answer
    x = 824,834.30

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.