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Finding the Third Proportional to 113,158 and 248,915

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Solution

The third proportional to 113,158 and 248,915 is: 547,541.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,158 : 248,915 = 248,915 : x
  2. Step 2: Convert to fraction form
    113,158/248,915 = 248,915/x
  3. Step 3: Cross multiply
    113,158x = 248,915 × 248,915
  4. Step 4: Simplify right side
    113,158x = 61,958,677,225
  5. Step 5: Solve for x
    x = 61,958,677,225/113,158
  6. Step 6: Final answer
    x = 547,541.29

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.