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Finding the Third Proportional to 31,888 and 74,464

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Solution

The third proportional to 31,888 and 74,464 is: 173,886.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,888 : 74,464 = 74,464 : x
  2. Step 2: Convert to fraction form
    31,888/74,464 = 74,464/x
  3. Step 3: Cross multiply
    31,888x = 74,464 × 74,464
  4. Step 4: Simplify right side
    31,888x = 5,544,887,296
  5. Step 5: Solve for x
    x = 5,544,887,296/31,888
  6. Step 6: Final answer
    x = 173,886.33

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.