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Finding the Third Proportional to 55,628 and 115,860

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Solution

The third proportional to 55,628 and 115,860 is: 241,309.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,628 : 115,860 = 115,860 : x
  2. Step 2: Convert to fraction form
    55,628/115,860 = 115,860/x
  3. Step 3: Cross multiply
    55,628x = 115,860 × 115,860
  4. Step 4: Simplify right side
    55,628x = 13,423,539,600
  5. Step 5: Solve for x
    x = 13,423,539,600/55,628
  6. Step 6: Final answer
    x = 241,309.05

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.