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Finding the Third Proportional to 401,503.50 and 550,550.25

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Solution

The third proportional to 401,503.50 and 550,550.25 is: 754,926.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,503.50 : 550,550.25 = 550,550.25 : x
  2. Step 2: Convert to fraction form
    401,503.50/550,550.25 = 550,550.25/x
  3. Step 3: Cross multiply
    401,503.50x = 550,550.25 × 550,550.25
  4. Step 4: Simplify right side
    401,503.50x = 303,105,577,775.06
  5. Step 5: Solve for x
    x = 303,105,577,775.06/401,503.50
  6. Step 6: Final answer
    x = 754,926.36

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.