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Finding the Third Proportional to 185,358 and 406,803

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Solution

The third proportional to 185,358 and 406,803 is: 892,805.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,358 : 406,803 = 406,803 : x
  2. Step 2: Convert to fraction form
    185,358/406,803 = 406,803/x
  3. Step 3: Cross multiply
    185,358x = 406,803 × 406,803
  4. Step 4: Simplify right side
    185,358x = 165,488,680,809
  5. Step 5: Solve for x
    x = 165,488,680,809/185,358
  6. Step 6: Final answer
    x = 892,805.71

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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.