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Finding the Third Proportional to 75,965 and 156,792

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Solution

The third proportional to 75,965 and 156,792 is: 323,619.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,965 : 156,792 = 156,792 : x
  2. Step 2: Convert to fraction form
    75,965/156,792 = 156,792/x
  3. Step 3: Cross multiply
    75,965x = 156,792 × 156,792
  4. Step 4: Simplify right side
    75,965x = 24,583,731,264
  5. Step 5: Solve for x
    x = 24,583,731,264/75,965
  6. Step 6: Final answer
    x = 323,619.18

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.