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Finding the Third Proportional to 14,265 and 18,121.50

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Solution

The third proportional to 14,265 and 18,121.50 is: 23,020.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,265 : 18,121.50 = 18,121.50 : x
  2. Step 2: Convert to fraction form
    14,265/18,121.50 = 18,121.50/x
  3. Step 3: Cross multiply
    14,265x = 18,121.50 × 18,121.50
  4. Step 4: Simplify right side
    14,265x = 328,388,762.25
  5. Step 5: Solve for x
    x = 328,388,762.25/14,265
  6. Step 6: Final answer
    x = 23,020.59

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Why These Related Problems?

These problems maintain the same ratio (1.27) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.