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Finding the Third Proportional to 53,973 and 81,714

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Solution

The third proportional to 53,973 and 81,714 is: 123,713.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,973 : 81,714 = 81,714 : x
  2. Step 2: Convert to fraction form
    53,973/81,714 = 81,714/x
  3. Step 3: Cross multiply
    53,973x = 81,714 × 81,714
  4. Step 4: Simplify right side
    53,973x = 6,677,177,796
  5. Step 5: Solve for x
    x = 6,677,177,796/53,973
  6. Step 6: Final answer
    x = 123,713.30

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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.