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Finding the Third Proportional to 59,954 and 128,656

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Solution

The third proportional to 59,954 and 128,656 is: 276,084.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,954 : 128,656 = 128,656 : x
  2. Step 2: Convert to fraction form
    59,954/128,656 = 128,656/x
  3. Step 3: Cross multiply
    59,954x = 128,656 × 128,656
  4. Step 4: Simplify right side
    59,954x = 16,552,366,336
  5. Step 5: Solve for x
    x = 16,552,366,336/59,954
  6. Step 6: Final answer
    x = 276,084.44

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.