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Finding the Third Proportional to 192,214.50 and 305,488.50

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Solution

The third proportional to 192,214.50 and 305,488.50 is: 485,516.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,214.50 : 305,488.50 = 305,488.50 : x
  2. Step 2: Convert to fraction form
    192,214.50/305,488.50 = 305,488.50/x
  3. Step 3: Cross multiply
    192,214.50x = 305,488.50 × 305,488.50
  4. Step 4: Simplify right side
    192,214.50x = 93,323,223,632.25
  5. Step 5: Solve for x
    x = 93,323,223,632.25/192,214.50
  6. Step 6: Final answer
    x = 485,516.04

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.