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Finding the Third Proportional to 31,544 and 69,232

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Solution

The third proportional to 31,544 and 69,232 is: 151,948.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,544 : 69,232 = 69,232 : x
  2. Step 2: Convert to fraction form
    31,544/69,232 = 69,232/x
  3. Step 3: Cross multiply
    31,544x = 69,232 × 69,232
  4. Step 4: Simplify right side
    31,544x = 4,793,069,824
  5. Step 5: Solve for x
    x = 4,793,069,824/31,544
  6. Step 6: Final answer
    x = 151,948.70

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.