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Finding the Third Proportional to 155,209 and 246,179

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Solution

The third proportional to 155,209 and 246,179 is: 390,467.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,209 : 246,179 = 246,179 : x
  2. Step 2: Convert to fraction form
    155,209/246,179 = 246,179/x
  3. Step 3: Cross multiply
    155,209x = 246,179 × 246,179
  4. Step 4: Simplify right side
    155,209x = 60,604,100,041
  5. Step 5: Solve for x
    x = 60,604,100,041/155,209
  6. Step 6: Final answer
    x = 390,467.69

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.