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Finding the Third Proportional to 2,313 and 5,221.50

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Solution

The third proportional to 2,313 and 5,221.50 is: 11,787.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,313 : 5,221.50 = 5,221.50 : x
  2. Step 2: Convert to fraction form
    2,313/5,221.50 = 5,221.50/x
  3. Step 3: Cross multiply
    2,313x = 5,221.50 × 5,221.50
  4. Step 4: Simplify right side
    2,313x = 27,264,062.25
  5. Step 5: Solve for x
    x = 27,264,062.25/2,313
  6. Step 6: Final answer
    x = 11,787.32

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Why These Related Problems?

These problems maintain the same ratio (2.26) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.