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Finding the Third Proportional to 183,400.88 and 388,881

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Solution

The third proportional to 183,400.88 and 388,881 is: 824,578.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,400.88 : 388,881 = 388,881 : x
  2. Step 2: Convert to fraction form
    183,400.88/388,881 = 388,881/x
  3. Step 3: Cross multiply
    183,400.88x = 388,881 × 388,881
  4. Step 4: Simplify right side
    183,400.88x = 151,228,432,161
  5. Step 5: Solve for x
    x = 151,228,432,161/183,400.88
  6. Step 6: Final answer
    x = 824,578.57

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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.