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Finding the Third Proportional to 138,264.75 and 303,250.50

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Solution

The third proportional to 138,264.75 and 303,250.50 is: 665,107.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,264.75 : 303,250.50 = 303,250.50 : x
  2. Step 2: Convert to fraction form
    138,264.75/303,250.50 = 303,250.50/x
  3. Step 3: Cross multiply
    138,264.75x = 303,250.50 × 303,250.50
  4. Step 4: Simplify right side
    138,264.75x = 91,960,865,750.25
  5. Step 5: Solve for x
    x = 91,960,865,750.25/138,264.75
  6. Step 6: Final answer
    x = 665,107.09

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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.