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Finding the Third Proportional to 181,261.50 and 388,774.50

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Solution

The third proportional to 181,261.50 and 388,774.50 is: 833,853.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,261.50 : 388,774.50 = 388,774.50 : x
  2. Step 2: Convert to fraction form
    181,261.50/388,774.50 = 388,774.50/x
  3. Step 3: Cross multiply
    181,261.50x = 388,774.50 × 388,774.50
  4. Step 4: Simplify right side
    181,261.50x = 151,145,611,850.25
  5. Step 5: Solve for x
    x = 151,145,611,850.25/181,261.50
  6. Step 6: Final answer
    x = 833,853.92

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.