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Finding the Third Proportional to 198,834.75 and 294,394.50

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Solution

The third proportional to 198,834.75 and 294,394.50 is: 435,880.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,834.75 : 294,394.50 = 294,394.50 : x
  2. Step 2: Convert to fraction form
    198,834.75/294,394.50 = 294,394.50/x
  3. Step 3: Cross multiply
    198,834.75x = 294,394.50 × 294,394.50
  4. Step 4: Simplify right side
    198,834.75x = 86,668,121,630.25
  5. Step 5: Solve for x
    x = 86,668,121,630.25/198,834.75
  6. Step 6: Final answer
    x = 435,880.15

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.