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Finding the Third Proportional to 190,605.75 and 414,411.75

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Solution

The third proportional to 190,605.75 and 414,411.75 is: 901,006.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,605.75 : 414,411.75 = 414,411.75 : x
  2. Step 2: Convert to fraction form
    190,605.75/414,411.75 = 414,411.75/x
  3. Step 3: Cross multiply
    190,605.75x = 414,411.75 × 414,411.75
  4. Step 4: Simplify right side
    190,605.75x = 171,737,098,538.06
  5. Step 5: Solve for x
    x = 171,737,098,538.06/190,605.75
  6. Step 6: Final answer
    x = 901,006.91

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.