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Finding the Third Proportional to 68,042 and 156,173

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Solution

The third proportional to 68,042 and 156,173 is: 358,455.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,042 : 156,173 = 156,173 : x
  2. Step 2: Convert to fraction form
    68,042/156,173 = 156,173/x
  3. Step 3: Cross multiply
    68,042x = 156,173 × 156,173
  4. Step 4: Simplify right side
    68,042x = 24,390,005,929
  5. Step 5: Solve for x
    x = 24,390,005,929/68,042
  6. Step 6: Final answer
    x = 358,455.16

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Why These Related Problems?

These problems maintain the same ratio (2.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.