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Finding the Third Proportional to 66,844 and 144,600

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Solution

The third proportional to 66,844 and 144,600 is: 312,805.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,844 : 144,600 = 144,600 : x
  2. Step 2: Convert to fraction form
    66,844/144,600 = 144,600/x
  3. Step 3: Cross multiply
    66,844x = 144,600 × 144,600
  4. Step 4: Simplify right side
    66,844x = 20,909,160,000
  5. Step 5: Solve for x
    x = 20,909,160,000/66,844
  6. Step 6: Final answer
    x = 312,805.34

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.