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Finding the Third Proportional to 90,075 and 134,608

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Solution

The third proportional to 90,075 and 134,608 is: 201,158.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,075 : 134,608 = 134,608 : x
  2. Step 2: Convert to fraction form
    90,075/134,608 = 134,608/x
  3. Step 3: Cross multiply
    90,075x = 134,608 × 134,608
  4. Step 4: Simplify right side
    90,075x = 18,119,313,664
  5. Step 5: Solve for x
    x = 18,119,313,664/90,075
  6. Step 6: Final answer
    x = 201,158.08

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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.