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Finding the Third Proportional to 53,606 and 80,955

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Solution

The third proportional to 53,606 and 80,955 is: 122,257.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,606 : 80,955 = 80,955 : x
  2. Step 2: Convert to fraction form
    53,606/80,955 = 80,955/x
  3. Step 3: Cross multiply
    53,606x = 80,955 × 80,955
  4. Step 4: Simplify right side
    53,606x = 6,553,712,025
  5. Step 5: Solve for x
    x = 6,553,712,025/53,606
  6. Step 6: Final answer
    x = 122,257.06

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.