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Finding the Third Proportional to 667,364 and 1,439,712

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Solution

The third proportional to 667,364 and 1,439,712 is: 3,105,907.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,364 : 1,439,712 = 1,439,712 : x
  2. Step 2: Convert to fraction form
    667,364/1,439,712 = 1,439,712/x
  3. Step 3: Cross multiply
    667,364x = 1,439,712 × 1,439,712
  4. Step 4: Simplify right side
    667,364x = 2,072,770,642,944
  5. Step 5: Solve for x
    x = 2,072,770,642,944/667,364
  6. Step 6: Final answer
    x = 3,105,907.19

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.