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Finding the Third Proportional to 178,032 and 277,260

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Solution

The third proportional to 178,032 and 277,260 is: 431,793.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,032 : 277,260 = 277,260 : x
  2. Step 2: Convert to fraction form
    178,032/277,260 = 277,260/x
  3. Step 3: Cross multiply
    178,032x = 277,260 × 277,260
  4. Step 4: Simplify right side
    178,032x = 76,873,107,600
  5. Step 5: Solve for x
    x = 76,873,107,600/178,032
  6. Step 6: Final answer
    x = 431,793.77

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.