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Finding the Third Proportional to 18,176 and 28,992

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Solution

The third proportional to 18,176 and 28,992 is: 46,244.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,176 : 28,992 = 28,992 : x
  2. Step 2: Convert to fraction form
    18,176/28,992 = 28,992/x
  3. Step 3: Cross multiply
    18,176x = 28,992 × 28,992
  4. Step 4: Simplify right side
    18,176x = 840,536,064
  5. Step 5: Solve for x
    x = 840,536,064/18,176
  6. Step 6: Final answer
    x = 46,244.28

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.