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Finding the Third Proportional to 7,250 and 7,898

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Solution

The third proportional to 7,250 and 7,898 is: 8,603.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,250 : 7,898 = 7,898 : x
  2. Step 2: Convert to fraction form
    7,250/7,898 = 7,898/x
  3. Step 3: Cross multiply
    7,250x = 7,898 × 7,898
  4. Step 4: Simplify right side
    7,250x = 62,378,404
  5. Step 5: Solve for x
    x = 62,378,404/7,250
  6. Step 6: Final answer
    x = 8,603.92

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Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.