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Finding the Third Proportional to 10,213.75 and 14,065

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Solution

The third proportional to 10,213.75 and 14,065 is: 19,368.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,213.75 : 14,065 = 14,065 : x
  2. Step 2: Convert to fraction form
    10,213.75/14,065 = 14,065/x
  3. Step 3: Cross multiply
    10,213.75x = 14,065 × 14,065
  4. Step 4: Simplify right side
    10,213.75x = 197,824,225
  5. Step 5: Solve for x
    x = 197,824,225/10,213.75
  6. Step 6: Final answer
    x = 19,368.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.