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Finding the Third Proportional to 84,086 and 180,928

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Solution

The third proportional to 84,086 and 180,928 is: 389,303.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,086 : 180,928 = 180,928 : x
  2. Step 2: Convert to fraction form
    84,086/180,928 = 180,928/x
  3. Step 3: Cross multiply
    84,086x = 180,928 × 180,928
  4. Step 4: Simplify right side
    84,086x = 32,734,941,184
  5. Step 5: Solve for x
    x = 32,734,941,184/84,086
  6. Step 6: Final answer
    x = 389,303.11

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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.