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Finding the Third Proportional to 118,177 and 259,315

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Solution

The third proportional to 118,177 and 259,315 is: 569,013.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,177 : 259,315 = 259,315 : x
  2. Step 2: Convert to fraction form
    118,177/259,315 = 259,315/x
  3. Step 3: Cross multiply
    118,177x = 259,315 × 259,315
  4. Step 4: Simplify right side
    118,177x = 67,244,269,225
  5. Step 5: Solve for x
    x = 67,244,269,225/118,177
  6. Step 6: Final answer
    x = 569,013.17

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.