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Finding the Third Proportional to 303,136.17 and 505,200.80

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Solution

The third proportional to 303,136.17 and 505,200.80 is: 841,957.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,136.17 : 505,200.80 = 505,200.80 : x
  2. Step 2: Convert to fraction form
    303,136.17/505,200.80 = 505,200.80/x
  3. Step 3: Cross multiply
    303,136.17x = 505,200.80 × 505,200.80
  4. Step 4: Simplify right side
    303,136.17x = 255,227,845,163.14
  5. Step 5: Solve for x
    x = 255,227,845,163.14/303,136.17
  6. Step 6: Final answer
    x = 841,957.74

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.