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Finding the Third Proportional to 131,968 and 293,378

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Solution

The third proportional to 131,968 and 293,378 is: 652,208.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,968 : 293,378 = 293,378 : x
  2. Step 2: Convert to fraction form
    131,968/293,378 = 293,378/x
  3. Step 3: Cross multiply
    131,968x = 293,378 × 293,378
  4. Step 4: Simplify right side
    131,968x = 86,070,650,884
  5. Step 5: Solve for x
    x = 86,070,650,884/131,968
  6. Step 6: Final answer
    x = 652,208.50

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.