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Finding the Third Proportional to 122,762 and 189,567

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Solution

The third proportional to 122,762 and 189,567 is: 292,726.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,762 : 189,567 = 189,567 : x
  2. Step 2: Convert to fraction form
    122,762/189,567 = 189,567/x
  3. Step 3: Cross multiply
    122,762x = 189,567 × 189,567
  4. Step 4: Simplify right side
    122,762x = 35,935,647,489
  5. Step 5: Solve for x
    x = 35,935,647,489/122,762
  6. Step 6: Final answer
    x = 292,726.15

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.