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Finding the Third Proportional to 18,112.50 and 26,520

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Solution

The third proportional to 18,112.50 and 26,520 is: 38,830.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,112.50 : 26,520 = 26,520 : x
  2. Step 2: Convert to fraction form
    18,112.50/26,520 = 26,520/x
  3. Step 3: Cross multiply
    18,112.50x = 26,520 × 26,520
  4. Step 4: Simplify right side
    18,112.50x = 703,310,400
  5. Step 5: Solve for x
    x = 703,310,400/18,112.50
  6. Step 6: Final answer
    x = 38,830.11

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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.