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Finding the Third Proportional to 124,650.56 and 256,650.19

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Solution

The third proportional to 124,650.56 and 256,650.19 is: 528,431.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,650.56 : 256,650.19 = 256,650.19 : x
  2. Step 2: Convert to fraction form
    124,650.56/256,650.19 = 256,650.19/x
  3. Step 3: Cross multiply
    124,650.56x = 256,650.19 × 256,650.19
  4. Step 4: Simplify right side
    124,650.56x = 65,869,318,743.79
  5. Step 5: Solve for x
    x = 65,869,318,743.79/124,650.56
  6. Step 6: Final answer
    x = 528,431.78

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.