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Finding the Third Proportional to 9,407.25 and 18,578.25

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Solution

The third proportional to 9,407.25 and 18,578.25 is: 36,689.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,407.25 : 18,578.25 = 18,578.25 : x
  2. Step 2: Convert to fraction form
    9,407.25/18,578.25 = 18,578.25/x
  3. Step 3: Cross multiply
    9,407.25x = 18,578.25 × 18,578.25
  4. Step 4: Simplify right side
    9,407.25x = 345,151,373.06
  5. Step 5: Solve for x
    x = 345,151,373.06/9,407.25
  6. Step 6: Final answer
    x = 36,689.93

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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.