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Finding the Third Proportional to 18,038.75 and 26,359.75

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Solution

The third proportional to 18,038.75 and 26,359.75 is: 38,519.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,038.75 : 26,359.75 = 26,359.75 : x
  2. Step 2: Convert to fraction form
    18,038.75/26,359.75 = 26,359.75/x
  3. Step 3: Cross multiply
    18,038.75x = 26,359.75 × 26,359.75
  4. Step 4: Simplify right side
    18,038.75x = 694,836,420.06
  5. Step 5: Solve for x
    x = 694,836,420.06/18,038.75
  6. Step 6: Final answer
    x = 38,519.10

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.