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Finding the Third Proportional to 308,752 and 461,976

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Solution

The third proportional to 308,752 and 461,976 is: 691,240.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,752 : 461,976 = 461,976 : x
  2. Step 2: Convert to fraction form
    308,752/461,976 = 461,976/x
  3. Step 3: Cross multiply
    308,752x = 461,976 × 461,976
  4. Step 4: Simplify right side
    308,752x = 213,421,824,576
  5. Step 5: Solve for x
    x = 213,421,824,576/308,752
  6. Step 6: Final answer
    x = 691,240.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.