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Finding the Third Proportional to 38,946 and 86,654

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Solution

The third proportional to 38,946 and 86,654 is: 192,803.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,946 : 86,654 = 86,654 : x
  2. Step 2: Convert to fraction form
    38,946/86,654 = 86,654/x
  3. Step 3: Cross multiply
    38,946x = 86,654 × 86,654
  4. Step 4: Simplify right side
    38,946x = 7,508,915,716
  5. Step 5: Solve for x
    x = 7,508,915,716/38,946
  6. Step 6: Final answer
    x = 192,803.26

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.