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Finding the Third Proportional to 177,824 and 386,174

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Solution

The third proportional to 177,824 and 386,174 is: 838,640.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,824 : 386,174 = 386,174 : x
  2. Step 2: Convert to fraction form
    177,824/386,174 = 386,174/x
  3. Step 3: Cross multiply
    177,824x = 386,174 × 386,174
  4. Step 4: Simplify right side
    177,824x = 149,130,358,276
  5. Step 5: Solve for x
    x = 149,130,358,276/177,824
  6. Step 6: Final answer
    x = 838,640.22

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.