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Finding the Third Proportional to 158,821 and 348,732

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Solution

The third proportional to 158,821 and 348,732 is: 765,730.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,821 : 348,732 = 348,732 : x
  2. Step 2: Convert to fraction form
    158,821/348,732 = 348,732/x
  3. Step 3: Cross multiply
    158,821x = 348,732 × 348,732
  4. Step 4: Simplify right side
    158,821x = 121,614,007,824
  5. Step 5: Solve for x
    x = 121,614,007,824/158,821
  6. Step 6: Final answer
    x = 765,730.02

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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.