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Finding the Third Proportional to 292,206 and 628,804

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Solution

The third proportional to 292,206 and 628,804 is: 1,353,136.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,206 : 628,804 = 628,804 : x
  2. Step 2: Convert to fraction form
    292,206/628,804 = 628,804/x
  3. Step 3: Cross multiply
    292,206x = 628,804 × 628,804
  4. Step 4: Simplify right side
    292,206x = 395,394,470,416
  5. Step 5: Solve for x
    x = 395,394,470,416/292,206
  6. Step 6: Final answer
    x = 1,353,136.04

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.