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Finding the Third Proportional to 108,955.13 and 168,292.69

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Solution

The third proportional to 108,955.13 and 168,292.69 is: 259,945.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,955.13 : 168,292.69 = 168,292.69 : x
  2. Step 2: Convert to fraction form
    108,955.13/168,292.69 = 168,292.69/x
  3. Step 3: Cross multiply
    108,955.13x = 168,292.69 × 168,292.69
  4. Step 4: Simplify right side
    108,955.13x = 28,322,428,665.97
  5. Step 5: Solve for x
    x = 28,322,428,665.97/108,955.13
  6. Step 6: Final answer
    x = 259,945.81

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.