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Finding the Third Proportional to 66,048 and 144,168

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Solution

The third proportional to 66,048 and 144,168 is: 314,686.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,048 : 144,168 = 144,168 : x
  2. Step 2: Convert to fraction form
    66,048/144,168 = 144,168/x
  3. Step 3: Cross multiply
    66,048x = 144,168 × 144,168
  4. Step 4: Simplify right side
    66,048x = 20,784,412,224
  5. Step 5: Solve for x
    x = 20,784,412,224/66,048
  6. Step 6: Final answer
    x = 314,686.47

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.