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Finding the Third Proportional to 140,638.50 and 303,266.81

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Solution

The third proportional to 140,638.50 and 303,266.81 is: 653,951.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,638.50 : 303,266.81 = 303,266.81 : x
  2. Step 2: Convert to fraction form
    140,638.50/303,266.81 = 303,266.81/x
  3. Step 3: Cross multiply
    140,638.50x = 303,266.81 × 303,266.81
  4. Step 4: Simplify right side
    140,638.50x = 91,970,759,563.91
  5. Step 5: Solve for x
    x = 91,970,759,563.91/140,638.50
  6. Step 6: Final answer
    x = 653,951.51

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.