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Finding the Third Proportional to 11,902 and 14,440

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Solution

The third proportional to 11,902 and 14,440 is: 17,519.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,902 : 14,440 = 14,440 : x
  2. Step 2: Convert to fraction form
    11,902/14,440 = 14,440/x
  3. Step 3: Cross multiply
    11,902x = 14,440 × 14,440
  4. Step 4: Simplify right side
    11,902x = 208,513,600
  5. Step 5: Solve for x
    x = 208,513,600/11,902
  6. Step 6: Final answer
    x = 17,519.21

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Why These Related Problems?

These problems maintain the same ratio (1.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.