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Finding the Third Proportional to 6,984 and 9,955

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Solution

The third proportional to 6,984 and 9,955 is: 14,189.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,984 : 9,955 = 9,955 : x
  2. Step 2: Convert to fraction form
    6,984/9,955 = 9,955/x
  3. Step 3: Cross multiply
    6,984x = 9,955 × 9,955
  4. Step 4: Simplify right side
    6,984x = 99,102,025
  5. Step 5: Solve for x
    x = 99,102,025/6,984
  6. Step 6: Final answer
    x = 14,189.87

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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.