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Finding the Third Proportional to 64,888 and 132,992

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Solution

The third proportional to 64,888 and 132,992 is: 272,575.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,888 : 132,992 = 132,992 : x
  2. Step 2: Convert to fraction form
    64,888/132,992 = 132,992/x
  3. Step 3: Cross multiply
    64,888x = 132,992 × 132,992
  4. Step 4: Simplify right side
    64,888x = 17,686,872,064
  5. Step 5: Solve for x
    x = 17,686,872,064/64,888
  6. Step 6: Final answer
    x = 272,575.39

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.