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Finding the Third Proportional to 9,426 and 18,610

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Solution

The third proportional to 9,426 and 18,610 is: 36,742.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,426 : 18,610 = 18,610 : x
  2. Step 2: Convert to fraction form
    9,426/18,610 = 18,610/x
  3. Step 3: Cross multiply
    9,426x = 18,610 × 18,610
  4. Step 4: Simplify right side
    9,426x = 346,332,100
  5. Step 5: Solve for x
    x = 346,332,100/9,426
  6. Step 6: Final answer
    x = 36,742.21

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Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.