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Finding the Third Proportional to 351,607.50 and 728,149.50

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Solution

The third proportional to 351,607.50 and 728,149.50 is: 1,507,936.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,607.50 : 728,149.50 = 728,149.50 : x
  2. Step 2: Convert to fraction form
    351,607.50/728,149.50 = 728,149.50/x
  3. Step 3: Cross multiply
    351,607.50x = 728,149.50 × 728,149.50
  4. Step 4: Simplify right side
    351,607.50x = 530,201,694,350.25
  5. Step 5: Solve for x
    x = 530,201,694,350.25/351,607.50
  6. Step 6: Final answer
    x = 1,507,936.25

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.