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Finding the Third Proportional to 17,986.50 and 26,457.75

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Solution

The third proportional to 17,986.50 and 26,457.75 is: 38,918.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,986.50 : 26,457.75 = 26,457.75 : x
  2. Step 2: Convert to fraction form
    17,986.50/26,457.75 = 26,457.75/x
  3. Step 3: Cross multiply
    17,986.50x = 26,457.75 × 26,457.75
  4. Step 4: Simplify right side
    17,986.50x = 700,012,535.06
  5. Step 5: Solve for x
    x = 700,012,535.06/17,986.50
  6. Step 6: Final answer
    x = 38,918.77

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.