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Finding the Third Proportional to 9,109 and 14,291

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Solution

The third proportional to 9,109 and 14,291 is: 22,420.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,109 : 14,291 = 14,291 : x
  2. Step 2: Convert to fraction form
    9,109/14,291 = 14,291/x
  3. Step 3: Cross multiply
    9,109x = 14,291 × 14,291
  4. Step 4: Simplify right side
    9,109x = 204,232,681
  5. Step 5: Solve for x
    x = 204,232,681/9,109
  6. Step 6: Final answer
    x = 22,420.98

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.