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Finding the Third Proportional to 9,162 and 12,975.75

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Solution

The third proportional to 9,162 and 12,975.75 is: 18,377.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,162 : 12,975.75 = 12,975.75 : x
  2. Step 2: Convert to fraction form
    9,162/12,975.75 = 12,975.75/x
  3. Step 3: Cross multiply
    9,162x = 12,975.75 × 12,975.75
  4. Step 4: Simplify right side
    9,162x = 168,370,088.06
  5. Step 5: Solve for x
    x = 168,370,088.06/9,162
  6. Step 6: Final answer
    x = 18,377.00

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.