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Finding the Third Proportional to 107,370 and 235,980

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Solution

The third proportional to 107,370 and 235,980 is: 518,641.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,370 : 235,980 = 235,980 : x
  2. Step 2: Convert to fraction form
    107,370/235,980 = 235,980/x
  3. Step 3: Cross multiply
    107,370x = 235,980 × 235,980
  4. Step 4: Simplify right side
    107,370x = 55,686,560,400
  5. Step 5: Solve for x
    x = 55,686,560,400/107,370
  6. Step 6: Final answer
    x = 518,641.71

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.