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Finding the Third Proportional to 458,157 and 986,225

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Solution

The third proportional to 458,157 and 986,225 is: 2,122,939.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,157 : 986,225 = 986,225 : x
  2. Step 2: Convert to fraction form
    458,157/986,225 = 986,225/x
  3. Step 3: Cross multiply
    458,157x = 986,225 × 986,225
  4. Step 4: Simplify right side
    458,157x = 972,639,750,625
  5. Step 5: Solve for x
    x = 972,639,750,625/458,157
  6. Step 6: Final answer
    x = 2,122,939.85

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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.