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Finding the Third Proportional to 430,976 and 682,094

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Solution

The third proportional to 430,976 and 682,094 is: 1,079,531.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,976 : 682,094 = 682,094 : x
  2. Step 2: Convert to fraction form
    430,976/682,094 = 682,094/x
  3. Step 3: Cross multiply
    430,976x = 682,094 × 682,094
  4. Step 4: Simplify right side
    430,976x = 465,252,224,836
  5. Step 5: Solve for x
    x = 465,252,224,836/430,976
  6. Step 6: Final answer
    x = 1,079,531.63

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.