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Finding the Third Proportional to 368,389.75 and 550,309.75

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Solution

The third proportional to 368,389.75 and 550,309.75 is: 822,066.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,389.75 : 550,309.75 = 550,309.75 : x
  2. Step 2: Convert to fraction form
    368,389.75/550,309.75 = 550,309.75/x
  3. Step 3: Cross multiply
    368,389.75x = 550,309.75 × 550,309.75
  4. Step 4: Simplify right side
    368,389.75x = 302,840,820,945.06
  5. Step 5: Solve for x
    x = 302,840,820,945.06/368,389.75
  6. Step 6: Final answer
    x = 822,066.36

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.