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Finding the Third Proportional to 21,901 and 48,038

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Solution

The third proportional to 21,901 and 48,038 is: 105,367.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,901 : 48,038 = 48,038 : x
  2. Step 2: Convert to fraction form
    21,901/48,038 = 48,038/x
  3. Step 3: Cross multiply
    21,901x = 48,038 × 48,038
  4. Step 4: Simplify right side
    21,901x = 2,307,649,444
  5. Step 5: Solve for x
    x = 2,307,649,444/21,901
  6. Step 6: Final answer
    x = 105,367.31

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.