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Finding the Third Proportional to 7,398 and 15,628

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Solution

The third proportional to 7,398 and 15,628 is: 33,013.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,398 : 15,628 = 15,628 : x
  2. Step 2: Convert to fraction form
    7,398/15,628 = 15,628/x
  3. Step 3: Cross multiply
    7,398x = 15,628 × 15,628
  4. Step 4: Simplify right side
    7,398x = 244,234,384
  5. Step 5: Solve for x
    x = 244,234,384/7,398
  6. Step 6: Final answer
    x = 33,013.57

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.