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Finding the Third Proportional to 4,088 and 7,824

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Solution

The third proportional to 4,088 and 7,824 is: 14,974.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,088 : 7,824 = 7,824 : x
  2. Step 2: Convert to fraction form
    4,088/7,824 = 7,824/x
  3. Step 3: Cross multiply
    4,088x = 7,824 × 7,824
  4. Step 4: Simplify right side
    4,088x = 61,214,976
  5. Step 5: Solve for x
    x = 61,214,976/4,088
  6. Step 6: Final answer
    x = 14,974.31

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Why These Related Problems?

These problems maintain the same ratio (1.91) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.