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Finding the Third Proportional to 80,994 and 176,756

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Solution

The third proportional to 80,994 and 176,756 is: 385,740.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,994 : 176,756 = 176,756 : x
  2. Step 2: Convert to fraction form
    80,994/176,756 = 176,756/x
  3. Step 3: Cross multiply
    80,994x = 176,756 × 176,756
  4. Step 4: Simplify right side
    80,994x = 31,242,683,536
  5. Step 5: Solve for x
    x = 31,242,683,536/80,994
  6. Step 6: Final answer
    x = 385,740.72

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.