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Finding the Third Proportional to 190,730.25 and 288,550.50

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Solution

The third proportional to 190,730.25 and 288,550.50 is: 436,540.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,730.25 : 288,550.50 = 288,550.50 : x
  2. Step 2: Convert to fraction form
    190,730.25/288,550.50 = 288,550.50/x
  3. Step 3: Cross multiply
    190,730.25x = 288,550.50 × 288,550.50
  4. Step 4: Simplify right side
    190,730.25x = 83,261,391,050.25
  5. Step 5: Solve for x
    x = 83,261,391,050.25/190,730.25
  6. Step 6: Final answer
    x = 436,540.04

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.