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Finding the Third Proportional to 55,052 and 87,504

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Solution

The third proportional to 55,052 and 87,504 is: 139,085.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,052 : 87,504 = 87,504 : x
  2. Step 2: Convert to fraction form
    55,052/87,504 = 87,504/x
  3. Step 3: Cross multiply
    55,052x = 87,504 × 87,504
  4. Step 4: Simplify right side
    55,052x = 7,656,950,016
  5. Step 5: Solve for x
    x = 7,656,950,016/55,052
  6. Step 6: Final answer
    x = 139,085.77

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.