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Finding the Third Proportional to 25,980 and 56,163

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Solution

The third proportional to 25,980 and 56,163 is: 121,411.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,980 : 56,163 = 56,163 : x
  2. Step 2: Convert to fraction form
    25,980/56,163 = 56,163/x
  3. Step 3: Cross multiply
    25,980x = 56,163 × 56,163
  4. Step 4: Simplify right side
    25,980x = 3,154,282,569
  5. Step 5: Solve for x
    x = 3,154,282,569/25,980
  6. Step 6: Final answer
    x = 121,411.95

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.