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Finding the Third Proportional to 68,556 and 148,344

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Solution

The third proportional to 68,556 and 148,344 is: 320,992.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,556 : 148,344 = 148,344 : x
  2. Step 2: Convert to fraction form
    68,556/148,344 = 148,344/x
  3. Step 3: Cross multiply
    68,556x = 148,344 × 148,344
  4. Step 4: Simplify right side
    68,556x = 22,005,942,336
  5. Step 5: Solve for x
    x = 22,005,942,336/68,556
  6. Step 6: Final answer
    x = 320,992.22

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.