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Finding the Third Proportional to 77,650 and 166,373

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Solution

The third proportional to 77,650 and 166,373 is: 356,471.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,650 : 166,373 = 166,373 : x
  2. Step 2: Convert to fraction form
    77,650/166,373 = 166,373/x
  3. Step 3: Cross multiply
    77,650x = 166,373 × 166,373
  4. Step 4: Simplify right side
    77,650x = 27,679,975,129
  5. Step 5: Solve for x
    x = 27,679,975,129/77,650
  6. Step 6: Final answer
    x = 356,471.03

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.