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Finding the Third Proportional to 109,941 and 239,555.25

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Solution

The third proportional to 109,941 and 239,555.25 is: 521,977.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,941 : 239,555.25 = 239,555.25 : x
  2. Step 2: Convert to fraction form
    109,941/239,555.25 = 239,555.25/x
  3. Step 3: Cross multiply
    109,941x = 239,555.25 × 239,555.25
  4. Step 4: Simplify right side
    109,941x = 57,386,717,802.56
  5. Step 5: Solve for x
    x = 57,386,717,802.56/109,941
  6. Step 6: Final answer
    x = 521,977.40

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.