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Finding the Third Proportional to 116,712 and 169,965

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Solution

The third proportional to 116,712 and 169,965 is: 247,516.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,712 : 169,965 = 169,965 : x
  2. Step 2: Convert to fraction form
    116,712/169,965 = 169,965/x
  3. Step 3: Cross multiply
    116,712x = 169,965 × 169,965
  4. Step 4: Simplify right side
    116,712x = 28,888,101,225
  5. Step 5: Solve for x
    x = 28,888,101,225/116,712
  6. Step 6: Final answer
    x = 247,516.12

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.