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Finding the Third Proportional to 133,858.50 and 207,267

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Solution

The third proportional to 133,858.50 and 207,267 is: 320,932.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,858.50 : 207,267 = 207,267 : x
  2. Step 2: Convert to fraction form
    133,858.50/207,267 = 207,267/x
  3. Step 3: Cross multiply
    133,858.50x = 207,267 × 207,267
  4. Step 4: Simplify right side
    133,858.50x = 42,959,609,289
  5. Step 5: Solve for x
    x = 42,959,609,289/133,858.50
  6. Step 6: Final answer
    x = 320,932.99

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.