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Finding the Third Proportional to 15,085 and 23,018

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Solution

The third proportional to 15,085 and 23,018 is: 35,122.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,085 : 23,018 = 23,018 : x
  2. Step 2: Convert to fraction form
    15,085/23,018 = 23,018/x
  3. Step 3: Cross multiply
    15,085x = 23,018 × 23,018
  4. Step 4: Simplify right side
    15,085x = 529,828,324
  5. Step 5: Solve for x
    x = 529,828,324/15,085
  6. Step 6: Final answer
    x = 35,122.86

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.