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Finding the Third Proportional to 9,486 and 14,043

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Solution

The third proportional to 9,486 and 14,043 is: 20,789.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,486 : 14,043 = 14,043 : x
  2. Step 2: Convert to fraction form
    9,486/14,043 = 14,043/x
  3. Step 3: Cross multiply
    9,486x = 14,043 × 14,043
  4. Step 4: Simplify right side
    9,486x = 197,205,849
  5. Step 5: Solve for x
    x = 197,205,849/9,486
  6. Step 6: Final answer
    x = 20,789.15

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.