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Finding the Third Proportional to 193,182 and 407,340

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Solution

The third proportional to 193,182 and 407,340 is: 858,909.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,182 : 407,340 = 407,340 : x
  2. Step 2: Convert to fraction form
    193,182/407,340 = 407,340/x
  3. Step 3: Cross multiply
    193,182x = 407,340 × 407,340
  4. Step 4: Simplify right side
    193,182x = 165,925,875,600
  5. Step 5: Solve for x
    x = 165,925,875,600/193,182
  6. Step 6: Final answer
    x = 858,909.61

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.