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Finding the Third Proportional to 18,266.50 and 26,823.50

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Solution

The third proportional to 18,266.50 and 26,823.50 is: 39,389.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,266.50 : 26,823.50 = 26,823.50 : x
  2. Step 2: Convert to fraction form
    18,266.50/26,823.50 = 26,823.50/x
  3. Step 3: Cross multiply
    18,266.50x = 26,823.50 × 26,823.50
  4. Step 4: Simplify right side
    18,266.50x = 719,500,152.25
  5. Step 5: Solve for x
    x = 719,500,152.25/18,266.50
  6. Step 6: Final answer
    x = 39,389.05

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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.