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Finding the Third Proportional to 58,810 and 120,739

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Solution

The third proportional to 58,810 and 120,739 is: 247,881.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,810 : 120,739 = 120,739 : x
  2. Step 2: Convert to fraction form
    58,810/120,739 = 120,739/x
  3. Step 3: Cross multiply
    58,810x = 120,739 × 120,739
  4. Step 4: Simplify right side
    58,810x = 14,577,906,121
  5. Step 5: Solve for x
    x = 14,577,906,121/58,810
  6. Step 6: Final answer
    x = 247,881.42

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.