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Finding the Third Proportional to 87,746 and 119,955

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Solution

The third proportional to 87,746 and 119,955 is: 163,986.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,746 : 119,955 = 119,955 : x
  2. Step 2: Convert to fraction form
    87,746/119,955 = 119,955/x
  3. Step 3: Cross multiply
    87,746x = 119,955 × 119,955
  4. Step 4: Simplify right side
    87,746x = 14,389,202,025
  5. Step 5: Solve for x
    x = 14,389,202,025/87,746
  6. Step 6: Final answer
    x = 163,986.99

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.