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Finding the Third Proportional to 164,178 and 353,988

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Solution

The third proportional to 164,178 and 353,988 is: 763,241.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,178 : 353,988 = 353,988 : x
  2. Step 2: Convert to fraction form
    164,178/353,988 = 353,988/x
  3. Step 3: Cross multiply
    164,178x = 353,988 × 353,988
  4. Step 4: Simplify right side
    164,178x = 125,307,504,144
  5. Step 5: Solve for x
    x = 125,307,504,144/164,178
  6. Step 6: Final answer
    x = 763,241.75

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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.