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Finding the Third Proportional to 181,561.50 and 384,712.50

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Solution

The third proportional to 181,561.50 and 384,712.50 is: 815,171.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,561.50 : 384,712.50 = 384,712.50 : x
  2. Step 2: Convert to fraction form
    181,561.50/384,712.50 = 384,712.50/x
  3. Step 3: Cross multiply
    181,561.50x = 384,712.50 × 384,712.50
  4. Step 4: Simplify right side
    181,561.50x = 148,003,707,656.25
  5. Step 5: Solve for x
    x = 148,003,707,656.25/181,561.50
  6. Step 6: Final answer
    x = 815,171.21

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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.