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Finding the Third Proportional to 179,494 and 388,706

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Solution

The third proportional to 179,494 and 388,706 is: 841,768.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,494 : 388,706 = 388,706 : x
  2. Step 2: Convert to fraction form
    179,494/388,706 = 388,706/x
  3. Step 3: Cross multiply
    179,494x = 388,706 × 388,706
  4. Step 4: Simplify right side
    179,494x = 151,092,354,436
  5. Step 5: Solve for x
    x = 151,092,354,436/179,494
  6. Step 6: Final answer
    x = 841,768.27

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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.