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Finding the Third Proportional to 86,468.50 and 133,539

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Solution

The third proportional to 86,468.50 and 133,539 is: 206,233.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,468.50 : 133,539 = 133,539 : x
  2. Step 2: Convert to fraction form
    86,468.50/133,539 = 133,539/x
  3. Step 3: Cross multiply
    86,468.50x = 133,539 × 133,539
  4. Step 4: Simplify right side
    86,468.50x = 17,832,664,521
  5. Step 5: Solve for x
    x = 17,832,664,521/86,468.50
  6. Step 6: Final answer
    x = 206,233.07

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.