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Finding the Third Proportional to 144,836.50 and 212,069.75

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Solution

The third proportional to 144,836.50 and 212,069.75 is: 310,512.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,836.50 : 212,069.75 = 212,069.75 : x
  2. Step 2: Convert to fraction form
    144,836.50/212,069.75 = 212,069.75/x
  3. Step 3: Cross multiply
    144,836.50x = 212,069.75 × 212,069.75
  4. Step 4: Simplify right side
    144,836.50x = 44,973,578,865.06
  5. Step 5: Solve for x
    x = 44,973,578,865.06/144,836.50
  6. Step 6: Final answer
    x = 310,512.74

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.