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Finding the Third Proportional to 89,815.88 and 124,880.63

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Solution

The third proportional to 89,815.88 and 124,880.63 is: 173,634.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,815.88 : 124,880.63 = 124,880.63 : x
  2. Step 2: Convert to fraction form
    89,815.88/124,880.63 = 124,880.63/x
  3. Step 3: Cross multiply
    89,815.88x = 124,880.63 × 124,880.63
  4. Step 4: Simplify right side
    89,815.88x = 15,595,170,500.39
  5. Step 5: Solve for x
    x = 15,595,170,500.39/89,815.88
  6. Step 6: Final answer
    x = 173,634.90

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.