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Finding the Third Proportional to 6,480 and 10,296

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Solution

The third proportional to 6,480 and 10,296 is: 16,359.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,480 : 10,296 = 10,296 : x
  2. Step 2: Convert to fraction form
    6,480/10,296 = 10,296/x
  3. Step 3: Cross multiply
    6,480x = 10,296 × 10,296
  4. Step 4: Simplify right side
    6,480x = 106,007,616
  5. Step 5: Solve for x
    x = 106,007,616/6,480
  6. Step 6: Final answer
    x = 16,359.20

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.