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Finding the Third Proportional to 3,075 and 4,810

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Solution

The third proportional to 3,075 and 4,810 is: 7,523.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,075 : 4,810 = 4,810 : x
  2. Step 2: Convert to fraction form
    3,075/4,810 = 4,810/x
  3. Step 3: Cross multiply
    3,075x = 4,810 × 4,810
  4. Step 4: Simplify right side
    3,075x = 23,136,100
  5. Step 5: Solve for x
    x = 23,136,100/3,075
  6. Step 6: Final answer
    x = 7,523.93

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.