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Finding the Third Proportional to 7,775 and 16,648

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Solution

The third proportional to 7,775 and 16,648 is: 35,647.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,775 : 16,648 = 16,648 : x
  2. Step 2: Convert to fraction form
    7,775/16,648 = 16,648/x
  3. Step 3: Cross multiply
    7,775x = 16,648 × 16,648
  4. Step 4: Simplify right side
    7,775x = 277,155,904
  5. Step 5: Solve for x
    x = 277,155,904/7,775
  6. Step 6: Final answer
    x = 35,647.06

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.