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Finding the Third Proportional to 308,330 and 625,166

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Solution

The third proportional to 308,330 and 625,166 is: 1,267,578.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,330 : 625,166 = 625,166 : x
  2. Step 2: Convert to fraction form
    308,330/625,166 = 625,166/x
  3. Step 3: Cross multiply
    308,330x = 625,166 × 625,166
  4. Step 4: Simplify right side
    308,330x = 390,832,527,556
  5. Step 5: Solve for x
    x = 390,832,527,556/308,330
  6. Step 6: Final answer
    x = 1,267,578.66

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.