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Finding the Third Proportional to 66,883 and 103,672.50

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Solution

The third proportional to 66,883 and 103,672.50 is: 160,698.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,883 : 103,672.50 = 103,672.50 : x
  2. Step 2: Convert to fraction form
    66,883/103,672.50 = 103,672.50/x
  3. Step 3: Cross multiply
    66,883x = 103,672.50 × 103,672.50
  4. Step 4: Simplify right side
    66,883x = 10,747,987,256.25
  5. Step 5: Solve for x
    x = 10,747,987,256.25/66,883
  6. Step 6: Final answer
    x = 160,698.34

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.