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Finding the Third Proportional to 624,542 and 1,343,809

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Solution

The third proportional to 624,542 and 1,343,809 is: 2,891,435.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,542 : 1,343,809 = 1,343,809 : x
  2. Step 2: Convert to fraction form
    624,542/1,343,809 = 1,343,809/x
  3. Step 3: Cross multiply
    624,542x = 1,343,809 × 1,343,809
  4. Step 4: Simplify right side
    624,542x = 1,805,822,628,481
  5. Step 5: Solve for x
    x = 1,805,822,628,481/624,542
  6. Step 6: Final answer
    x = 2,891,435.05

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.