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Finding the Third Proportional to 636,306 and 1,372,242

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Solution

The third proportional to 636,306 and 1,372,242 is: 2,959,343.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,306 : 1,372,242 = 1,372,242 : x
  2. Step 2: Convert to fraction form
    636,306/1,372,242 = 1,372,242/x
  3. Step 3: Cross multiply
    636,306x = 1,372,242 × 1,372,242
  4. Step 4: Simplify right side
    636,306x = 1,883,048,106,564
  5. Step 5: Solve for x
    x = 1,883,048,106,564/636,306
  6. Step 6: Final answer
    x = 2,959,343.63

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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.