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Finding the Third Proportional to 1,313,420 and 2,851,031

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Solution

The third proportional to 1,313,420 and 2,851,031 is: 6,188,711.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,420 : 2,851,031 = 2,851,031 : x
  2. Step 2: Convert to fraction form
    1,313,420/2,851,031 = 2,851,031/x
  3. Step 3: Cross multiply
    1,313,420x = 2,851,031 × 2,851,031
  4. Step 4: Simplify right side
    1,313,420x = 8,128,377,762,961
  5. Step 5: Solve for x
    x = 8,128,377,762,961/1,313,420
  6. Step 6: Final answer
    x = 6,188,711.73

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.