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Finding the Third Proportional to 111,841.88 and 169,391.81

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Solution

The third proportional to 111,841.88 and 169,391.81 is: 256,554.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,841.88 : 169,391.81 = 169,391.81 : x
  2. Step 2: Convert to fraction form
    111,841.88/169,391.81 = 169,391.81/x
  3. Step 3: Cross multiply
    111,841.88x = 169,391.81 × 169,391.81
  4. Step 4: Simplify right side
    111,841.88x = 28,693,586,142.04
  5. Step 5: Solve for x
    x = 28,693,586,142.04/111,841.88
  6. Step 6: Final answer
    x = 256,554.95

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.