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Finding the Third Proportional to 6,520 and 10,502

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Solution

The third proportional to 6,520 and 10,502 is: 16,915.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,520 : 10,502 = 10,502 : x
  2. Step 2: Convert to fraction form
    6,520/10,502 = 10,502/x
  3. Step 3: Cross multiply
    6,520x = 10,502 × 10,502
  4. Step 4: Simplify right side
    6,520x = 110,292,004
  5. Step 5: Solve for x
    x = 110,292,004/6,520
  6. Step 6: Final answer
    x = 16,915.95

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.