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Finding the Third Proportional to 404,839.50 and 607,340.25

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Solution

The third proportional to 404,839.50 and 607,340.25 is: 911,131.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,839.50 : 607,340.25 = 607,340.25 : x
  2. Step 2: Convert to fraction form
    404,839.50/607,340.25 = 607,340.25/x
  3. Step 3: Cross multiply
    404,839.50x = 607,340.25 × 607,340.25
  4. Step 4: Simplify right side
    404,839.50x = 368,862,179,270.06
  5. Step 5: Solve for x
    x = 368,862,179,270.06/404,839.50
  6. Step 6: Final answer
    x = 911,131.89

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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.