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Finding the Third Proportional to 181,778 and 277,588

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Solution

The third proportional to 181,778 and 277,588 is: 423,896.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,778 : 277,588 = 277,588 : x
  2. Step 2: Convert to fraction form
    181,778/277,588 = 277,588/x
  3. Step 3: Cross multiply
    181,778x = 277,588 × 277,588
  4. Step 4: Simplify right side
    181,778x = 77,055,097,744
  5. Step 5: Solve for x
    x = 77,055,097,744/181,778
  6. Step 6: Final answer
    x = 423,896.72

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.