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Finding the Third Proportional to 118,212 and 259,392

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Solution

The third proportional to 118,212 and 259,392 is: 569,182.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,212 : 259,392 = 259,392 : x
  2. Step 2: Convert to fraction form
    118,212/259,392 = 259,392/x
  3. Step 3: Cross multiply
    118,212x = 259,392 × 259,392
  4. Step 4: Simplify right side
    118,212x = 67,284,209,664
  5. Step 5: Solve for x
    x = 67,284,209,664/118,212
  6. Step 6: Final answer
    x = 569,182.57

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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.