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Finding the Third Proportional to 667,440 and 1,358,064

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Solution

The third proportional to 667,440 and 1,358,064 is: 2,763,301.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,440 : 1,358,064 = 1,358,064 : x
  2. Step 2: Convert to fraction form
    667,440/1,358,064 = 1,358,064/x
  3. Step 3: Cross multiply
    667,440x = 1,358,064 × 1,358,064
  4. Step 4: Simplify right side
    667,440x = 1,844,337,828,096
  5. Step 5: Solve for x
    x = 1,844,337,828,096/667,440
  6. Step 6: Final answer
    x = 2,763,301.31

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.