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Finding the Third Proportional to 828.75 and 2,246.25

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Solution

The third proportional to 828.75 and 2,246.25 is: 6,088.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    828.75 : 2,246.25 = 2,246.25 : x
  2. Step 2: Convert to fraction form
    828.75/2,246.25 = 2,246.25/x
  3. Step 3: Cross multiply
    828.75x = 2,246.25 × 2,246.25
  4. Step 4: Simplify right side
    828.75x = 5,045,639.06
  5. Step 5: Solve for x
    x = 5,045,639.06/828.75
  6. Step 6: Final answer
    x = 6,088.25

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Why These Related Problems?

These problems maintain the same ratio (2.71) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.