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Finding the Third Proportional to 50,926 and 66,539

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Solution

The third proportional to 50,926 and 66,539 is: 86,938.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,926 : 66,539 = 66,539 : x
  2. Step 2: Convert to fraction form
    50,926/66,539 = 66,539/x
  3. Step 3: Cross multiply
    50,926x = 66,539 × 66,539
  4. Step 4: Simplify right side
    50,926x = 4,427,438,521
  5. Step 5: Solve for x
    x = 4,427,438,521/50,926
  6. Step 6: Final answer
    x = 86,938.67

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Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.