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Finding the Third Proportional to 179,332 and 378,632

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Solution

The third proportional to 179,332 and 378,632 is: 799,423.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,332 : 378,632 = 378,632 : x
  2. Step 2: Convert to fraction form
    179,332/378,632 = 378,632/x
  3. Step 3: Cross multiply
    179,332x = 378,632 × 378,632
  4. Step 4: Simplify right side
    179,332x = 143,362,191,424
  5. Step 5: Solve for x
    x = 143,362,191,424/179,332
  6. Step 6: Final answer
    x = 799,423.37

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.