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Finding the Third Proportional to 199,911.38 and 437,188.50

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Solution

The third proportional to 199,911.38 and 437,188.50 is: 956,092.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,911.38 : 437,188.50 = 437,188.50 : x
  2. Step 2: Convert to fraction form
    199,911.38/437,188.50 = 437,188.50/x
  3. Step 3: Cross multiply
    199,911.38x = 437,188.50 × 437,188.50
  4. Step 4: Simplify right side
    199,911.38x = 191,133,784,532.25
  5. Step 5: Solve for x
    x = 191,133,784,532.25/199,911.38
  6. Step 6: Final answer
    x = 956,092.59

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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.