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Finding the Third Proportional to 66,973.50 and 101,321.25

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Solution

The third proportional to 66,973.50 and 101,321.25 is: 153,284.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,973.50 : 101,321.25 = 101,321.25 : x
  2. Step 2: Convert to fraction form
    66,973.50/101,321.25 = 101,321.25/x
  3. Step 3: Cross multiply
    66,973.50x = 101,321.25 × 101,321.25
  4. Step 4: Simplify right side
    66,973.50x = 10,265,995,701.56
  5. Step 5: Solve for x
    x = 10,265,995,701.56/66,973.50
  6. Step 6: Final answer
    x = 153,284.44

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.