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Finding the Third Proportional to 9,069.75 and 18,703.13

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Solution

The third proportional to 9,069.75 and 18,703.13 is: 38,568.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,069.75 : 18,703.13 = 18,703.13 : x
  2. Step 2: Convert to fraction form
    9,069.75/18,703.13 = 18,703.13/x
  3. Step 3: Cross multiply
    9,069.75x = 18,703.13 × 18,703.13
  4. Step 4: Simplify right side
    9,069.75x = 349,806,884.77
  5. Step 5: Solve for x
    x = 349,806,884.77/9,069.75
  6. Step 6: Final answer
    x = 38,568.53

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.