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Finding the Third Proportional to 26,319 and 57,390

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Solution

The third proportional to 26,319 and 57,390 is: 125,141.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,319 : 57,390 = 57,390 : x
  2. Step 2: Convert to fraction form
    26,319/57,390 = 57,390/x
  3. Step 3: Cross multiply
    26,319x = 57,390 × 57,390
  4. Step 4: Simplify right side
    26,319x = 3,293,612,100
  5. Step 5: Solve for x
    x = 3,293,612,100/26,319
  6. Step 6: Final answer
    x = 125,141.99

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.