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Finding the Third Proportional to 55,140 and 119,613

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Solution

The third proportional to 55,140 and 119,613 is: 259,471.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,140 : 119,613 = 119,613 : x
  2. Step 2: Convert to fraction form
    55,140/119,613 = 119,613/x
  3. Step 3: Cross multiply
    55,140x = 119,613 × 119,613
  4. Step 4: Simplify right side
    55,140x = 14,307,269,769
  5. Step 5: Solve for x
    x = 14,307,269,769/55,140
  6. Step 6: Final answer
    x = 259,471.70

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.