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Finding the Third Proportional to 66,278.25 and 100,382.25

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Solution

The third proportional to 66,278.25 and 100,382.25 is: 152,034.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,278.25 : 100,382.25 = 100,382.25 : x
  2. Step 2: Convert to fraction form
    66,278.25/100,382.25 = 100,382.25/x
  3. Step 3: Cross multiply
    66,278.25x = 100,382.25 × 100,382.25
  4. Step 4: Simplify right side
    66,278.25x = 10,076,596,115.06
  5. Step 5: Solve for x
    x = 10,076,596,115.06/66,278.25
  6. Step 6: Final answer
    x = 152,034.73

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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.