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Finding the Third Proportional to 609,637 and 1,339,946

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Solution

The third proportional to 609,637 and 1,339,946 is: 2,945,121.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,637 : 1,339,946 = 1,339,946 : x
  2. Step 2: Convert to fraction form
    609,637/1,339,946 = 1,339,946/x
  3. Step 3: Cross multiply
    609,637x = 1,339,946 × 1,339,946
  4. Step 4: Simplify right side
    609,637x = 1,795,455,282,916
  5. Step 5: Solve for x
    x = 1,795,455,282,916/609,637
  6. Step 6: Final answer
    x = 2,945,121.91

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.