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Finding the Third Proportional to 10,263.75 and 13,479.75

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Solution

The third proportional to 10,263.75 and 13,479.75 is: 17,703.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,263.75 : 13,479.75 = 13,479.75 : x
  2. Step 2: Convert to fraction form
    10,263.75/13,479.75 = 13,479.75/x
  3. Step 3: Cross multiply
    10,263.75x = 13,479.75 × 13,479.75
  4. Step 4: Simplify right side
    10,263.75x = 181,703,660.06
  5. Step 5: Solve for x
    x = 181,703,660.06/10,263.75
  6. Step 6: Final answer
    x = 17,703.44

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Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.