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Finding the Third Proportional to 55,024 and 84,960

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Solution

The third proportional to 55,024 and 84,960 is: 131,182.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,024 : 84,960 = 84,960 : x
  2. Step 2: Convert to fraction form
    55,024/84,960 = 84,960/x
  3. Step 3: Cross multiply
    55,024x = 84,960 × 84,960
  4. Step 4: Simplify right side
    55,024x = 7,218,201,600
  5. Step 5: Solve for x
    x = 7,218,201,600/55,024
  6. Step 6: Final answer
    x = 131,182.79

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.