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Finding the Third Proportional to 184,689.75 and 397,630.50

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Solution

The third proportional to 184,689.75 and 397,630.50 is: 856,084.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,689.75 : 397,630.50 = 397,630.50 : x
  2. Step 2: Convert to fraction form
    184,689.75/397,630.50 = 397,630.50/x
  3. Step 3: Cross multiply
    184,689.75x = 397,630.50 × 397,630.50
  4. Step 4: Simplify right side
    184,689.75x = 158,110,014,530.25
  5. Step 5: Solve for x
    x = 158,110,014,530.25/184,689.75
  6. Step 6: Final answer
    x = 856,084.40

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.