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Finding the Third Proportional to 18,878.25 and 26,457.75

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Solution

The third proportional to 18,878.25 and 26,457.75 is: 37,080.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,878.25 : 26,457.75 = 26,457.75 : x
  2. Step 2: Convert to fraction form
    18,878.25/26,457.75 = 26,457.75/x
  3. Step 3: Cross multiply
    18,878.25x = 26,457.75 × 26,457.75
  4. Step 4: Simplify right side
    18,878.25x = 700,012,535.06
  5. Step 5: Solve for x
    x = 700,012,535.06/18,878.25
  6. Step 6: Final answer
    x = 37,080.37

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.