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Finding the Third Proportional to 178,348 and 277,044

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Solution

The third proportional to 178,348 and 277,044 is: 430,357.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,348 : 277,044 = 277,044 : x
  2. Step 2: Convert to fraction form
    178,348/277,044 = 277,044/x
  3. Step 3: Cross multiply
    178,348x = 277,044 × 277,044
  4. Step 4: Simplify right side
    178,348x = 76,753,377,936
  5. Step 5: Solve for x
    x = 76,753,377,936/178,348
  6. Step 6: Final answer
    x = 430,357.38

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.