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Finding the Third Proportional to 66,389.25 and 101,519.25

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Solution

The third proportional to 66,389.25 and 101,519.25 is: 155,238.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,389.25 : 101,519.25 = 101,519.25 : x
  2. Step 2: Convert to fraction form
    66,389.25/101,519.25 = 101,519.25/x
  3. Step 3: Cross multiply
    66,389.25x = 101,519.25 × 101,519.25
  4. Step 4: Simplify right side
    66,389.25x = 10,306,158,120.56
  5. Step 5: Solve for x
    x = 10,306,158,120.56/66,389.25
  6. Step 6: Final answer
    x = 155,238.36

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.