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Finding the Third Proportional to 458,989.50 and 994,240.50

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Solution

The third proportional to 458,989.50 and 994,240.50 is: 2,153,674.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,989.50 : 994,240.50 = 994,240.50 : x
  2. Step 2: Convert to fraction form
    458,989.50/994,240.50 = 994,240.50/x
  3. Step 3: Cross multiply
    458,989.50x = 994,240.50 × 994,240.50
  4. Step 4: Simplify right side
    458,989.50x = 988,514,171,840.25
  5. Step 5: Solve for x
    x = 988,514,171,840.25/458,989.50
  6. Step 6: Final answer
    x = 2,153,674.91

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.