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Finding the Third Proportional to 183,391.75 and 388,862.75

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Solution

The third proportional to 183,391.75 and 388,862.75 is: 824,542.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,391.75 : 388,862.75 = 388,862.75 : x
  2. Step 2: Convert to fraction form
    183,391.75/388,862.75 = 388,862.75/x
  3. Step 3: Cross multiply
    183,391.75x = 388,862.75 × 388,862.75
  4. Step 4: Simplify right side
    183,391.75x = 151,214,238,337.56
  5. Step 5: Solve for x
    x = 151,214,238,337.56/183,391.75
  6. Step 6: Final answer
    x = 824,542.21

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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.