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Finding the Third Proportional to 339,136.50 and 524,884.50

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Solution

The third proportional to 339,136.50 and 524,884.50 is: 812,368.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,136.50 : 524,884.50 = 524,884.50 : x
  2. Step 2: Convert to fraction form
    339,136.50/524,884.50 = 524,884.50/x
  3. Step 3: Cross multiply
    339,136.50x = 524,884.50 × 524,884.50
  4. Step 4: Simplify right side
    339,136.50x = 275,503,738,340.25
  5. Step 5: Solve for x
    x = 275,503,738,340.25/339,136.50
  6. Step 6: Final answer
    x = 812,368.29

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.