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Finding the Third Proportional to 66,634 and 100,635

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Solution

The third proportional to 66,634 and 100,635 is: 151,985.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,634 : 100,635 = 100,635 : x
  2. Step 2: Convert to fraction form
    66,634/100,635 = 100,635/x
  3. Step 3: Cross multiply
    66,634x = 100,635 × 100,635
  4. Step 4: Simplify right side
    66,634x = 10,127,403,225
  5. Step 5: Solve for x
    x = 10,127,403,225/66,634
  6. Step 6: Final answer
    x = 151,985.52

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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.