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Finding the Third Proportional to 77,651 and 166,368

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Solution

The third proportional to 77,651 and 166,368 is: 356,445.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,651 : 166,368 = 166,368 : x
  2. Step 2: Convert to fraction form
    77,651/166,368 = 166,368/x
  3. Step 3: Cross multiply
    77,651x = 166,368 × 166,368
  4. Step 4: Simplify right side
    77,651x = 27,678,311,424
  5. Step 5: Solve for x
    x = 27,678,311,424/77,651
  6. Step 6: Final answer
    x = 356,445.01

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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.