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Finding the Third Proportional to 133,776 and 207,252

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Solution

The third proportional to 133,776 and 207,252 is: 321,084.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,776 : 207,252 = 207,252 : x
  2. Step 2: Convert to fraction form
    133,776/207,252 = 207,252/x
  3. Step 3: Cross multiply
    133,776x = 207,252 × 207,252
  4. Step 4: Simplify right side
    133,776x = 42,953,391,504
  5. Step 5: Solve for x
    x = 42,953,391,504/133,776
  6. Step 6: Final answer
    x = 321,084.44

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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.