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Finding the Third Proportional to 89,424 and 193,368

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Solution

The third proportional to 89,424 and 193,368 is: 418,133.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,424 : 193,368 = 193,368 : x
  2. Step 2: Convert to fraction form
    89,424/193,368 = 193,368/x
  3. Step 3: Cross multiply
    89,424x = 193,368 × 193,368
  4. Step 4: Simplify right side
    89,424x = 37,391,183,424
  5. Step 5: Solve for x
    x = 37,391,183,424/89,424
  6. Step 6: Final answer
    x = 418,133.65

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.