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Finding the Third Proportional to 58,181 and 126,730

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Solution

The third proportional to 58,181 and 126,730 is: 276,043.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,181 : 126,730 = 126,730 : x
  2. Step 2: Convert to fraction form
    58,181/126,730 = 126,730/x
  3. Step 3: Cross multiply
    58,181x = 126,730 × 126,730
  4. Step 4: Simplify right side
    58,181x = 16,060,492,900
  5. Step 5: Solve for x
    x = 16,060,492,900/58,181
  6. Step 6: Final answer
    x = 276,043.60

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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.