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Finding the Third Proportional to 92,713 and 128,983

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Solution

The third proportional to 92,713 and 128,983 is: 179,442.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,713 : 128,983 = 128,983 : x
  2. Step 2: Convert to fraction form
    92,713/128,983 = 128,983/x
  3. Step 3: Cross multiply
    92,713x = 128,983 × 128,983
  4. Step 4: Simplify right side
    92,713x = 16,636,614,289
  5. Step 5: Solve for x
    x = 16,636,614,289/92,713
  6. Step 6: Final answer
    x = 179,442.09

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.