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Finding the Third Proportional to 605,955 and 1,318,317

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Solution

The third proportional to 605,955 and 1,318,317 is: 2,868,133.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,955 : 1,318,317 = 1,318,317 : x
  2. Step 2: Convert to fraction form
    605,955/1,318,317 = 1,318,317/x
  3. Step 3: Cross multiply
    605,955x = 1,318,317 × 1,318,317
  4. Step 4: Simplify right side
    605,955x = 1,737,959,712,489
  5. Step 5: Solve for x
    x = 1,737,959,712,489/605,955
  6. Step 6: Final answer
    x = 2,868,133.30

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.