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Finding the Third Proportional to 207,256.50 and 430,091.50

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Solution

The third proportional to 207,256.50 and 430,091.50 is: 892,510.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,256.50 : 430,091.50 = 430,091.50 : x
  2. Step 2: Convert to fraction form
    207,256.50/430,091.50 = 430,091.50/x
  3. Step 3: Cross multiply
    207,256.50x = 430,091.50 × 430,091.50
  4. Step 4: Simplify right side
    207,256.50x = 184,978,698,372.25
  5. Step 5: Solve for x
    x = 184,978,698,372.25/207,256.50
  6. Step 6: Final answer
    x = 892,510.96

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.