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Finding the Third Proportional to 90,264.38 and 140,393.25

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Solution

The third proportional to 90,264.38 and 140,393.25 is: 218,361.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,264.38 : 140,393.25 = 140,393.25 : x
  2. Step 2: Convert to fraction form
    90,264.38/140,393.25 = 140,393.25/x
  3. Step 3: Cross multiply
    90,264.38x = 140,393.25 × 140,393.25
  4. Step 4: Simplify right side
    90,264.38x = 19,710,264,645.56
  5. Step 5: Solve for x
    x = 19,710,264,645.56/90,264.38
  6. Step 6: Final answer
    x = 218,361.50

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.