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Finding the Third Proportional to 55,960 and 87,344

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Solution

The third proportional to 55,960 and 87,344 is: 136,329.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,960 : 87,344 = 87,344 : x
  2. Step 2: Convert to fraction form
    55,960/87,344 = 87,344/x
  3. Step 3: Cross multiply
    55,960x = 87,344 × 87,344
  4. Step 4: Simplify right side
    55,960x = 7,628,974,336
  5. Step 5: Solve for x
    x = 7,628,974,336/55,960
  6. Step 6: Final answer
    x = 136,329.06

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.