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Finding the Third Proportional to 30,246.75 and 69,424.88

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Solution

The third proportional to 30,246.75 and 69,424.88 is: 159,349.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,246.75 : 69,424.88 = 69,424.88 : x
  2. Step 2: Convert to fraction form
    30,246.75/69,424.88 = 69,424.88/x
  3. Step 3: Cross multiply
    30,246.75x = 69,424.88 × 69,424.88
  4. Step 4: Simplify right side
    30,246.75x = 4,819,813,268.77
  5. Step 5: Solve for x
    x = 4,819,813,268.77/30,246.75
  6. Step 6: Final answer
    x = 159,349.79

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Why These Related Problems?

These problems maintain the same ratio (2.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.