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Finding the Third Proportional to 8,845.31 and 19,331.16

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Solution

The third proportional to 8,845.31 and 19,331.16 is: 42,247.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,845.31 : 19,331.16 = 19,331.16 : x
  2. Step 2: Convert to fraction form
    8,845.31/19,331.16 = 19,331.16/x
  3. Step 3: Cross multiply
    8,845.31x = 19,331.16 × 19,331.16
  4. Step 4: Simplify right side
    8,845.31x = 373,693,601.96
  5. Step 5: Solve for x
    x = 373,693,601.96/8,845.31
  6. Step 6: Final answer
    x = 42,247.64

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.