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Finding the Third Proportional to 146,262 and 316,512

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Solution

The third proportional to 146,262 and 316,512 is: 684,934.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,262 : 316,512 = 316,512 : x
  2. Step 2: Convert to fraction form
    146,262/316,512 = 316,512/x
  3. Step 3: Cross multiply
    146,262x = 316,512 × 316,512
  4. Step 4: Simplify right side
    146,262x = 100,179,846,144
  5. Step 5: Solve for x
    x = 100,179,846,144/146,262
  6. Step 6: Final answer
    x = 684,934.20

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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.