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Finding the Third Proportional to 208,692 and 279,576

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Solution

The third proportional to 208,692 and 279,576 is: 374,536.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,692 : 279,576 = 279,576 : x
  2. Step 2: Convert to fraction form
    208,692/279,576 = 279,576/x
  3. Step 3: Cross multiply
    208,692x = 279,576 × 279,576
  4. Step 4: Simplify right side
    208,692x = 78,162,739,776
  5. Step 5: Solve for x
    x = 78,162,739,776/208,692
  6. Step 6: Final answer
    x = 374,536.35

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.