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Finding the Third Proportional to 111,000 and 163,560

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Solution

The third proportional to 111,000 and 163,560 is: 241,007.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,000 : 163,560 = 163,560 : x
  2. Step 2: Convert to fraction form
    111,000/163,560 = 163,560/x
  3. Step 3: Cross multiply
    111,000x = 163,560 × 163,560
  4. Step 4: Simplify right side
    111,000x = 26,751,873,600
  5. Step 5: Solve for x
    x = 26,751,873,600/111,000
  6. Step 6: Final answer
    x = 241,007.87

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.