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Finding the Third Proportional to 84,880 and 176,732

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Solution

The third proportional to 84,880 and 176,732 is: 367,980.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,880 : 176,732 = 176,732 : x
  2. Step 2: Convert to fraction form
    84,880/176,732 = 176,732/x
  3. Step 3: Cross multiply
    84,880x = 176,732 × 176,732
  4. Step 4: Simplify right side
    84,880x = 31,234,199,824
  5. Step 5: Solve for x
    x = 31,234,199,824/84,880
  6. Step 6: Final answer
    x = 367,980.68

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.