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Finding the Third Proportional to 10,317 and 14,355

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Solution

The third proportional to 10,317 and 14,355 is: 19,973.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,317 : 14,355 = 14,355 : x
  2. Step 2: Convert to fraction form
    10,317/14,355 = 14,355/x
  3. Step 3: Cross multiply
    10,317x = 14,355 × 14,355
  4. Step 4: Simplify right side
    10,317x = 206,066,025
  5. Step 5: Solve for x
    x = 206,066,025/10,317
  6. Step 6: Final answer
    x = 19,973.44

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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.