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Finding the Third Proportional to 30,167 and 66,283

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Solution

The third proportional to 30,167 and 66,283 is: 145,637.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,167 : 66,283 = 66,283 : x
  2. Step 2: Convert to fraction form
    30,167/66,283 = 66,283/x
  3. Step 3: Cross multiply
    30,167x = 66,283 × 66,283
  4. Step 4: Simplify right side
    30,167x = 4,393,436,089
  5. Step 5: Solve for x
    x = 4,393,436,089/30,167
  6. Step 6: Final answer
    x = 145,637.16

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.