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Finding the Third Proportional to 406,842 and 591,795

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Solution

The third proportional to 406,842 and 591,795 is: 860,828.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,842 : 591,795 = 591,795 : x
  2. Step 2: Convert to fraction form
    406,842/591,795 = 591,795/x
  3. Step 3: Cross multiply
    406,842x = 591,795 × 591,795
  4. Step 4: Simplify right side
    406,842x = 350,221,322,025
  5. Step 5: Solve for x
    x = 350,221,322,025/406,842
  6. Step 6: Final answer
    x = 860,828.83

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.