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Finding the Third Proportional to 64,962 and 140,286

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Solution

The third proportional to 64,962 and 140,286 is: 302,948.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,962 : 140,286 = 140,286 : x
  2. Step 2: Convert to fraction form
    64,962/140,286 = 140,286/x
  3. Step 3: Cross multiply
    64,962x = 140,286 × 140,286
  4. Step 4: Simplify right side
    64,962x = 19,680,161,796
  5. Step 5: Solve for x
    x = 19,680,161,796/64,962
  6. Step 6: Final answer
    x = 302,948.83

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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.