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Finding the Third Proportional to 179,423 and 388,573

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Solution

The third proportional to 179,423 and 388,573 is: 841,525.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,423 : 388,573 = 388,573 : x
  2. Step 2: Convert to fraction form
    179,423/388,573 = 388,573/x
  3. Step 3: Cross multiply
    179,423x = 388,573 × 388,573
  4. Step 4: Simplify right side
    179,423x = 150,988,976,329
  5. Step 5: Solve for x
    x = 150,988,976,329/179,423
  6. Step 6: Final answer
    x = 841,525.20

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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.