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Finding the Third Proportional to 197,904 and 306,666

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Solution

The third proportional to 197,904 and 306,666 is: 475,200.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,904 : 306,666 = 306,666 : x
  2. Step 2: Convert to fraction form
    197,904/306,666 = 306,666/x
  3. Step 3: Cross multiply
    197,904x = 306,666 × 306,666
  4. Step 4: Simplify right side
    197,904x = 94,044,035,556
  5. Step 5: Solve for x
    x = 94,044,035,556/197,904
  6. Step 6: Final answer
    x = 475,200.28

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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.