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Finding the Third Proportional to 28,206.50 and 66,827.50

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Solution

The third proportional to 28,206.50 and 66,827.50 is: 158,329.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,206.50 : 66,827.50 = 66,827.50 : x
  2. Step 2: Convert to fraction form
    28,206.50/66,827.50 = 66,827.50/x
  3. Step 3: Cross multiply
    28,206.50x = 66,827.50 × 66,827.50
  4. Step 4: Simplify right side
    28,206.50x = 4,465,914,756.25
  5. Step 5: Solve for x
    x = 4,465,914,756.25/28,206.50
  6. Step 6: Final answer
    x = 158,329.28

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Why These Related Problems?

These problems maintain the same ratio (2.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.