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Finding the Third Proportional to 7,155 and 15,093

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Solution

The third proportional to 7,155 and 15,093 is: 31,837.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,155 : 15,093 = 15,093 : x
  2. Step 2: Convert to fraction form
    7,155/15,093 = 15,093/x
  3. Step 3: Cross multiply
    7,155x = 15,093 × 15,093
  4. Step 4: Simplify right side
    7,155x = 227,798,649
  5. Step 5: Solve for x
    x = 227,798,649/7,155
  6. Step 6: Final answer
    x = 31,837.69

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.