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Finding the Third Proportional to 14,412.75 and 18,416.25

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Solution

The third proportional to 14,412.75 and 18,416.25 is: 23,531.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,412.75 : 18,416.25 = 18,416.25 : x
  2. Step 2: Convert to fraction form
    14,412.75/18,416.25 = 18,416.25/x
  3. Step 3: Cross multiply
    14,412.75x = 18,416.25 × 18,416.25
  4. Step 4: Simplify right side
    14,412.75x = 339,158,264.06
  5. Step 5: Solve for x
    x = 339,158,264.06/14,412.75
  6. Step 6: Final answer
    x = 23,531.82

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Why These Related Problems?

These problems maintain the same ratio (1.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.