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Finding the Third Proportional to 52,895 and 81,955

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Solution

The third proportional to 52,895 and 81,955 is: 126,980.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,895 : 81,955 = 81,955 : x
  2. Step 2: Convert to fraction form
    52,895/81,955 = 81,955/x
  3. Step 3: Cross multiply
    52,895x = 81,955 × 81,955
  4. Step 4: Simplify right side
    52,895x = 6,716,622,025
  5. Step 5: Solve for x
    x = 6,716,622,025/52,895
  6. Step 6: Final answer
    x = 126,980.28

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.