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Finding the Third Proportional to 55,841 and 120,430

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Solution

The third proportional to 55,841 and 120,430 is: 259,726.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,841 : 120,430 = 120,430 : x
  2. Step 2: Convert to fraction form
    55,841/120,430 = 120,430/x
  3. Step 3: Cross multiply
    55,841x = 120,430 × 120,430
  4. Step 4: Simplify right side
    55,841x = 14,503,384,900
  5. Step 5: Solve for x
    x = 14,503,384,900/55,841
  6. Step 6: Final answer
    x = 259,726.45

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.