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Finding the Third Proportional to 39,807 and 79,614

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Solution

The third proportional to 39,807 and 79,614 is: 159,228

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,807 : 79,614 = 79,614 : x
  2. Step 2: Convert to fraction form
    39,807/79,614 = 79,614/x
  3. Step 3: Cross multiply
    39,807x = 79,614 × 79,614
  4. Step 4: Simplify right side
    39,807x = 6,338,388,996
  5. Step 5: Solve for x
    x = 6,338,388,996/39,807
  6. Step 6: Final answer
    x = 159,228

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Why These Related Problems?

These problems maintain the same ratio (2) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.