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Finding the Third Proportional to 14,285.25 and 21,414

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Solution

The third proportional to 14,285.25 and 21,414 is: 32,100.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,285.25 : 21,414 = 21,414 : x
  2. Step 2: Convert to fraction form
    14,285.25/21,414 = 21,414/x
  3. Step 3: Cross multiply
    14,285.25x = 21,414 × 21,414
  4. Step 4: Simplify right side
    14,285.25x = 458,559,396
  5. Step 5: Solve for x
    x = 458,559,396/14,285.25
  6. Step 6: Final answer
    x = 32,100.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.