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Finding the Third Proportional to 66,984.50 and 92,274.50

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Solution

The third proportional to 66,984.50 and 92,274.50 is: 127,112.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,984.50 : 92,274.50 = 92,274.50 : x
  2. Step 2: Convert to fraction form
    66,984.50/92,274.50 = 92,274.50/x
  3. Step 3: Cross multiply
    66,984.50x = 92,274.50 × 92,274.50
  4. Step 4: Simplify right side
    66,984.50x = 8,514,583,350.25
  5. Step 5: Solve for x
    x = 8,514,583,350.25/66,984.50
  6. Step 6: Final answer
    x = 127,112.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.