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Finding the Third Proportional to 6,950 and 9,905

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Solution

The third proportional to 6,950 and 9,905 is: 14,116.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,950 : 9,905 = 9,905 : x
  2. Step 2: Convert to fraction form
    6,950/9,905 = 9,905/x
  3. Step 3: Cross multiply
    6,950x = 9,905 × 9,905
  4. Step 4: Simplify right side
    6,950x = 98,109,025
  5. Step 5: Solve for x
    x = 98,109,025/6,950
  6. Step 6: Final answer
    x = 14,116.41

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.