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Finding the Third Proportional to 67,928.63 and 148,979.25

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Solution

The third proportional to 67,928.63 and 148,979.25 is: 326,737.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,928.63 : 148,979.25 = 148,979.25 : x
  2. Step 2: Convert to fraction form
    67,928.63/148,979.25 = 148,979.25/x
  3. Step 3: Cross multiply
    67,928.63x = 148,979.25 × 148,979.25
  4. Step 4: Simplify right side
    67,928.63x = 22,194,816,930.56
  5. Step 5: Solve for x
    x = 22,194,816,930.56/67,928.63
  6. Step 6: Final answer
    x = 326,737.32

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.