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Finding the Third Proportional to 84,300 and 180,994

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Solution

The third proportional to 84,300 and 180,994 is: 388,598.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,300 : 180,994 = 180,994 : x
  2. Step 2: Convert to fraction form
    84,300/180,994 = 180,994/x
  3. Step 3: Cross multiply
    84,300x = 180,994 × 180,994
  4. Step 4: Simplify right side
    84,300x = 32,758,828,036
  5. Step 5: Solve for x
    x = 32,758,828,036/84,300
  6. Step 6: Final answer
    x = 388,598.20

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.