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Finding the Third Proportional to 68,482 and 147,151

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Solution

The third proportional to 68,482 and 147,151 is: 316,191.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,482 : 147,151 = 147,151 : x
  2. Step 2: Convert to fraction form
    68,482/147,151 = 147,151/x
  3. Step 3: Cross multiply
    68,482x = 147,151 × 147,151
  4. Step 4: Simplify right side
    68,482x = 21,653,416,801
  5. Step 5: Solve for x
    x = 21,653,416,801/68,482
  6. Step 6: Final answer
    x = 316,191.36

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.