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Finding the Third Proportional to 358,660.50 and 501,489.38

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Solution

The third proportional to 358,660.50 and 501,489.38 is: 701,196.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,660.50 : 501,489.38 = 501,489.38 : x
  2. Step 2: Convert to fraction form
    358,660.50/501,489.38 = 501,489.38/x
  3. Step 3: Cross multiply
    358,660.50x = 501,489.38 × 501,489.38
  4. Step 4: Simplify right side
    358,660.50x = 251,491,593,237.89
  5. Step 5: Solve for x
    x = 251,491,593,237.89/358,660.50
  6. Step 6: Final answer
    x = 701,196.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.