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Finding the Third Proportional to 361,699 and 785,668

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Solution

The third proportional to 361,699 and 785,668 is: 1,706,596.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,699 : 785,668 = 785,668 : x
  2. Step 2: Convert to fraction form
    361,699/785,668 = 785,668/x
  3. Step 3: Cross multiply
    361,699x = 785,668 × 785,668
  4. Step 4: Simplify right side
    361,699x = 617,274,206,224
  5. Step 5: Solve for x
    x = 617,274,206,224/361,699
  6. Step 6: Final answer
    x = 1,706,596.39

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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.