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Finding the Third Proportional to 176,998 and 382,170

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Solution

The third proportional to 176,998 and 382,170 is: 825,172.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,998 : 382,170 = 382,170 : x
  2. Step 2: Convert to fraction form
    176,998/382,170 = 382,170/x
  3. Step 3: Cross multiply
    176,998x = 382,170 × 382,170
  4. Step 4: Simplify right side
    176,998x = 146,053,908,900
  5. Step 5: Solve for x
    x = 146,053,908,900/176,998
  6. Step 6: Final answer
    x = 825,172.65

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.