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Finding the Third Proportional to 12,018 and 14,178

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Solution

The third proportional to 12,018 and 14,178 is: 16,726.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,018 : 14,178 = 14,178 : x
  2. Step 2: Convert to fraction form
    12,018/14,178 = 14,178/x
  3. Step 3: Cross multiply
    12,018x = 14,178 × 14,178
  4. Step 4: Simplify right side
    12,018x = 201,015,684
  5. Step 5: Solve for x
    x = 201,015,684/12,018
  6. Step 6: Final answer
    x = 16,726.22

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Why These Related Problems?

These problems maintain the same ratio (1.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.