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Finding the Third Proportional to 67,912.88 and 148,447.13

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Solution

The third proportional to 67,912.88 and 148,447.13 is: 324,482.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,912.88 : 148,447.13 = 148,447.13 : x
  2. Step 2: Convert to fraction form
    67,912.88/148,447.13 = 148,447.13/x
  3. Step 3: Cross multiply
    67,912.88x = 148,447.13 × 148,447.13
  4. Step 4: Simplify right side
    67,912.88x = 22,036,548,920.77
  5. Step 5: Solve for x
    x = 22,036,548,920.77/67,912.88
  6. Step 6: Final answer
    x = 324,482.64

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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.