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Finding the Third Proportional to 79,760 and 108,368

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Solution

The third proportional to 79,760 and 108,368 is: 147,237.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,760 : 108,368 = 108,368 : x
  2. Step 2: Convert to fraction form
    79,760/108,368 = 108,368/x
  3. Step 3: Cross multiply
    79,760x = 108,368 × 108,368
  4. Step 4: Simplify right side
    79,760x = 11,743,623,424
  5. Step 5: Solve for x
    x = 11,743,623,424/79,760
  6. Step 6: Final answer
    x = 147,237.00

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.