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Finding the Third Proportional to 7,025.25 and 15,453

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Solution

The third proportional to 7,025.25 and 15,453 is: 33,990.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,025.25 : 15,453 = 15,453 : x
  2. Step 2: Convert to fraction form
    7,025.25/15,453 = 15,453/x
  3. Step 3: Cross multiply
    7,025.25x = 15,453 × 15,453
  4. Step 4: Simplify right side
    7,025.25x = 238,795,209
  5. Step 5: Solve for x
    x = 238,795,209/7,025.25
  6. Step 6: Final answer
    x = 33,990.99

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.