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Finding the Third Proportional to 416,310 and 982,431

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Solution

The third proportional to 416,310 and 982,431 is: 2,318,394.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,310 : 982,431 = 982,431 : x
  2. Step 2: Convert to fraction form
    416,310/982,431 = 982,431/x
  3. Step 3: Cross multiply
    416,310x = 982,431 × 982,431
  4. Step 4: Simplify right side
    416,310x = 965,170,669,761
  5. Step 5: Solve for x
    x = 965,170,669,761/416,310
  6. Step 6: Final answer
    x = 2,318,394.15

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.