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Finding the Third Proportional to 18,360 and 29,175

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Solution

The third proportional to 18,360 and 29,175 is: 46,360.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,360 : 29,175 = 29,175 : x
  2. Step 2: Convert to fraction form
    18,360/29,175 = 29,175/x
  3. Step 3: Cross multiply
    18,360x = 29,175 × 29,175
  4. Step 4: Simplify right side
    18,360x = 851,180,625
  5. Step 5: Solve for x
    x = 851,180,625/18,360
  6. Step 6: Final answer
    x = 46,360.60

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.