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Finding the Third Proportional to 9,137.81 and 13,774.22

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Solution

The third proportional to 9,137.81 and 13,774.22 is: 20,763.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,137.81 : 13,774.22 = 13,774.22 : x
  2. Step 2: Convert to fraction form
    9,137.81/13,774.22 = 13,774.22/x
  3. Step 3: Cross multiply
    9,137.81x = 13,774.22 × 13,774.22
  4. Step 4: Simplify right side
    9,137.81x = 189,729,102.17
  5. Step 5: Solve for x
    x = 189,729,102.17/9,137.81
  6. Step 6: Final answer
    x = 20,763.08

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.