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Finding the Third Proportional to 106,878 and 235,086

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Solution

The third proportional to 106,878 and 235,086 is: 517,088.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,878 : 235,086 = 235,086 : x
  2. Step 2: Convert to fraction form
    106,878/235,086 = 235,086/x
  3. Step 3: Cross multiply
    106,878x = 235,086 × 235,086
  4. Step 4: Simplify right side
    106,878x = 55,265,427,396
  5. Step 5: Solve for x
    x = 55,265,427,396/106,878
  6. Step 6: Final answer
    x = 517,088.90

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.