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Finding the Third Proportional to 7,788 and 16,536

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Solution

The third proportional to 7,788 and 16,536 is: 35,110.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,788 : 16,536 = 16,536 : x
  2. Step 2: Convert to fraction form
    7,788/16,536 = 16,536/x
  3. Step 3: Cross multiply
    7,788x = 16,536 × 16,536
  4. Step 4: Simplify right side
    7,788x = 273,439,296
  5. Step 5: Solve for x
    x = 273,439,296/7,788
  6. Step 6: Final answer
    x = 35,110.34

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.