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Finding the Third Proportional to 158,805 and 348,717

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Solution

The third proportional to 158,805 and 348,717 is: 765,741.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,805 : 348,717 = 348,717 : x
  2. Step 2: Convert to fraction form
    158,805/348,717 = 348,717/x
  3. Step 3: Cross multiply
    158,805x = 348,717 × 348,717
  4. Step 4: Simplify right side
    158,805x = 121,603,546,089
  5. Step 5: Solve for x
    x = 121,603,546,089/158,805
  6. Step 6: Final answer
    x = 765,741.29

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.