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Finding the Third Proportional to 66,276.75 and 100,380.38

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Solution

The third proportional to 66,276.75 and 100,380.38 is: 152,032.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,276.75 : 100,380.38 = 100,380.38 : x
  2. Step 2: Convert to fraction form
    66,276.75/100,380.38 = 100,380.38/x
  3. Step 3: Cross multiply
    66,276.75x = 100,380.38 × 100,380.38
  4. Step 4: Simplify right side
    66,276.75x = 10,076,219,685.14
  5. Step 5: Solve for x
    x = 10,076,219,685.14/66,276.75
  6. Step 6: Final answer
    x = 152,032.50

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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.