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Finding the Third Proportional to 43,619 and 65,426

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Solution

The third proportional to 43,619 and 65,426 is: 98,135.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,619 : 65,426 = 65,426 : x
  2. Step 2: Convert to fraction form
    43,619/65,426 = 65,426/x
  3. Step 3: Cross multiply
    43,619x = 65,426 × 65,426
  4. Step 4: Simplify right side
    43,619x = 4,280,561,476
  5. Step 5: Solve for x
    x = 4,280,561,476/43,619
  6. Step 6: Final answer
    x = 98,135.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.