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Finding the Third Proportional to 28,135.69 and 43,551.84

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Solution

The third proportional to 28,135.69 and 43,551.84 is: 67,414.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,135.69 : 43,551.84 = 43,551.84 : x
  2. Step 2: Convert to fraction form
    28,135.69/43,551.84 = 43,551.84/x
  3. Step 3: Cross multiply
    28,135.69x = 43,551.84 × 43,551.84
  4. Step 4: Simplify right side
    28,135.69x = 1,896,763,094.02
  5. Step 5: Solve for x
    x = 1,896,763,094.02/28,135.69
  6. Step 6: Final answer
    x = 67,414.85

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.