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Finding the Third Proportional to 158,904 and 349,398

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Solution

The third proportional to 158,904 and 349,398 is: 768,256.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,904 : 349,398 = 349,398 : x
  2. Step 2: Convert to fraction form
    158,904/349,398 = 349,398/x
  3. Step 3: Cross multiply
    158,904x = 349,398 × 349,398
  4. Step 4: Simplify right side
    158,904x = 122,078,962,404
  5. Step 5: Solve for x
    x = 122,078,962,404/158,904
  6. Step 6: Final answer
    x = 768,256.07

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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.