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Finding the Third Proportional to 103,992 and 148,714

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Solution

The third proportional to 103,992 and 148,714 is: 212,668.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,992 : 148,714 = 148,714 : x
  2. Step 2: Convert to fraction form
    103,992/148,714 = 148,714/x
  3. Step 3: Cross multiply
    103,992x = 148,714 × 148,714
  4. Step 4: Simplify right side
    103,992x = 22,115,853,796
  5. Step 5: Solve for x
    x = 22,115,853,796/103,992
  6. Step 6: Final answer
    x = 212,668.80

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.