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Finding the Third Proportional to 54,369 and 119,430

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Solution

The third proportional to 54,369 and 119,430 is: 262,346.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,369 : 119,430 = 119,430 : x
  2. Step 2: Convert to fraction form
    54,369/119,430 = 119,430/x
  3. Step 3: Cross multiply
    54,369x = 119,430 × 119,430
  4. Step 4: Simplify right side
    54,369x = 14,263,524,900
  5. Step 5: Solve for x
    x = 14,263,524,900/54,369
  6. Step 6: Final answer
    x = 262,346.65

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.