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Finding the Third Proportional to 52,715 and 115,684

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Solution

The third proportional to 52,715 and 115,684 is: 253,870.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,715 : 115,684 = 115,684 : x
  2. Step 2: Convert to fraction form
    52,715/115,684 = 115,684/x
  3. Step 3: Cross multiply
    52,715x = 115,684 × 115,684
  4. Step 4: Simplify right side
    52,715x = 13,382,787,856
  5. Step 5: Solve for x
    x = 13,382,787,856/52,715
  6. Step 6: Final answer
    x = 253,870.58

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.