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Finding the Third Proportional to 199,698.75 and 434,389.50

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Solution

The third proportional to 199,698.75 and 434,389.50 is: 944,894.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,698.75 : 434,389.50 = 434,389.50 : x
  2. Step 2: Convert to fraction form
    199,698.75/434,389.50 = 434,389.50/x
  3. Step 3: Cross multiply
    199,698.75x = 434,389.50 × 434,389.50
  4. Step 4: Simplify right side
    199,698.75x = 188,694,237,710.25
  5. Step 5: Solve for x
    x = 188,694,237,710.25/199,698.75
  6. Step 6: Final answer
    x = 944,894.44

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.