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Finding the Third Proportional to 66,215.25 and 100,852.88

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Solution

The third proportional to 66,215.25 and 100,852.88 is: 153,609.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,215.25 : 100,852.88 = 100,852.88 : x
  2. Step 2: Convert to fraction form
    66,215.25/100,852.88 = 100,852.88/x
  3. Step 3: Cross multiply
    66,215.25x = 100,852.88 × 100,852.88
  4. Step 4: Simplify right side
    66,215.25x = 10,171,302,395.77
  5. Step 5: Solve for x
    x = 10,171,302,395.77/66,215.25
  6. Step 6: Final answer
    x = 153,609.67

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.