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Finding the Third Proportional to 113,380 and 247,176

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Solution

The third proportional to 113,380 and 247,176 is: 538,860.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,380 : 247,176 = 247,176 : x
  2. Step 2: Convert to fraction form
    113,380/247,176 = 247,176/x
  3. Step 3: Cross multiply
    113,380x = 247,176 × 247,176
  4. Step 4: Simplify right side
    113,380x = 61,095,974,976
  5. Step 5: Solve for x
    x = 61,095,974,976/113,380
  6. Step 6: Final answer
    x = 538,860.25

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.