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Finding the Third Proportional to 36,047 and 53,878

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Solution

The third proportional to 36,047 and 53,878 is: 80,529.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,047 : 53,878 = 53,878 : x
  2. Step 2: Convert to fraction form
    36,047/53,878 = 53,878/x
  3. Step 3: Cross multiply
    36,047x = 53,878 × 53,878
  4. Step 4: Simplify right side
    36,047x = 2,902,838,884
  5. Step 5: Solve for x
    x = 2,902,838,884/36,047
  6. Step 6: Final answer
    x = 80,529.28

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.