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Finding the Third Proportional to 2,289,795.75 and 3,109,731.75

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Solution

The third proportional to 2,289,795.75 and 3,109,731.75 is: 4,223,272.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,289,795.75 : 3,109,731.75 = 3,109,731.75 : x
  2. Step 2: Convert to fraction form
    2,289,795.75/3,109,731.75 = 3,109,731.75/x
  3. Step 3: Cross multiply
    2,289,795.75x = 3,109,731.75 × 3,109,731.75
  4. Step 4: Simplify right side
    2,289,795.75x = 9,670,431,556,958.06
  5. Step 5: Solve for x
    x = 9,670,431,556,958.06/2,289,795.75
  6. Step 6: Final answer
    x = 4,223,272.56

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.