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Finding the Third Proportional to 666,756 and 1,437,760

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Solution

The third proportional to 666,756 and 1,437,760 is: 3,100,315.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,756 : 1,437,760 = 1,437,760 : x
  2. Step 2: Convert to fraction form
    666,756/1,437,760 = 1,437,760/x
  3. Step 3: Cross multiply
    666,756x = 1,437,760 × 1,437,760
  4. Step 4: Simplify right side
    666,756x = 2,067,153,817,600
  5. Step 5: Solve for x
    x = 2,067,153,817,600/666,756
  6. Step 6: Final answer
    x = 3,100,315.28

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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.