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Finding the Third Proportional to 3,075.38 and 4,749.38

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Solution

The third proportional to 3,075.38 and 4,749.38 is: 7,334.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,075.38 : 4,749.38 = 4,749.38 : x
  2. Step 2: Convert to fraction form
    3,075.38/4,749.38 = 4,749.38/x
  3. Step 3: Cross multiply
    3,075.38x = 4,749.38 × 4,749.38
  4. Step 4: Simplify right side
    3,075.38x = 22,556,562.89
  5. Step 5: Solve for x
    x = 22,556,562.89/3,075.38
  6. Step 6: Final answer
    x = 7,334.57

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.