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Finding the Third Proportional to 112,999 and 153,467

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Solution

The third proportional to 112,999 and 153,467 is: 208,427.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,999 : 153,467 = 153,467 : x
  2. Step 2: Convert to fraction form
    112,999/153,467 = 153,467/x
  3. Step 3: Cross multiply
    112,999x = 153,467 × 153,467
  4. Step 4: Simplify right side
    112,999x = 23,552,120,089
  5. Step 5: Solve for x
    x = 23,552,120,089/112,999
  6. Step 6: Final answer
    x = 208,427.69

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.