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Finding the Third Proportional to 51,480 and 112,176

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Solution

The third proportional to 51,480 and 112,176 is: 244,433.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,480 : 112,176 = 112,176 : x
  2. Step 2: Convert to fraction form
    51,480/112,176 = 112,176/x
  3. Step 3: Cross multiply
    51,480x = 112,176 × 112,176
  4. Step 4: Simplify right side
    51,480x = 12,583,454,976
  5. Step 5: Solve for x
    x = 12,583,454,976/51,480
  6. Step 6: Final answer
    x = 244,433.86

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.