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Finding the Third Proportional to 44,120 and 68,370

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Solution

The third proportional to 44,120 and 68,370 is: 105,948.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,120 : 68,370 = 68,370 : x
  2. Step 2: Convert to fraction form
    44,120/68,370 = 68,370/x
  3. Step 3: Cross multiply
    44,120x = 68,370 × 68,370
  4. Step 4: Simplify right side
    44,120x = 4,674,456,900
  5. Step 5: Solve for x
    x = 4,674,456,900/44,120
  6. Step 6: Final answer
    x = 105,948.71

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.