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Finding the Third Proportional to 178,924 and 385,873

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Solution

The third proportional to 178,924 and 385,873 is: 832,185.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,924 : 385,873 = 385,873 : x
  2. Step 2: Convert to fraction form
    178,924/385,873 = 385,873/x
  3. Step 3: Cross multiply
    178,924x = 385,873 × 385,873
  4. Step 4: Simplify right side
    178,924x = 148,897,972,129
  5. Step 5: Solve for x
    x = 148,897,972,129/178,924
  6. Step 6: Final answer
    x = 832,185.58

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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.