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Finding the Third Proportional to 59,268 and 128,373

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Solution

The third proportional to 59,268 and 128,373 is: 278,052.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,268 : 128,373 = 128,373 : x
  2. Step 2: Convert to fraction form
    59,268/128,373 = 128,373/x
  3. Step 3: Cross multiply
    59,268x = 128,373 × 128,373
  4. Step 4: Simplify right side
    59,268x = 16,479,627,129
  5. Step 5: Solve for x
    x = 16,479,627,129/59,268
  6. Step 6: Final answer
    x = 278,052.70

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.