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Finding the Third Proportional to 344,839.50 and 730,728

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Solution

The third proportional to 344,839.50 and 730,728 is: 1,548,440.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,839.50 : 730,728 = 730,728 : x
  2. Step 2: Convert to fraction form
    344,839.50/730,728 = 730,728/x
  3. Step 3: Cross multiply
    344,839.50x = 730,728 × 730,728
  4. Step 4: Simplify right side
    344,839.50x = 533,963,409,984
  5. Step 5: Solve for x
    x = 533,963,409,984/344,839.50
  6. Step 6: Final answer
    x = 1,548,440.39

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.