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Finding the Third Proportional to 185,340 and 406,765

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Solution

The third proportional to 185,340 and 406,765 is: 892,725.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,340 : 406,765 = 406,765 : x
  2. Step 2: Convert to fraction form
    185,340/406,765 = 406,765/x
  3. Step 3: Cross multiply
    185,340x = 406,765 × 406,765
  4. Step 4: Simplify right side
    185,340x = 165,457,765,225
  5. Step 5: Solve for x
    x = 165,457,765,225/185,340
  6. Step 6: Final answer
    x = 892,725.61

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.