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Finding the Third Proportional to 21,472 and 49,808

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Solution

The third proportional to 21,472 and 49,808 is: 115,538.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,472 : 49,808 = 49,808 : x
  2. Step 2: Convert to fraction form
    21,472/49,808 = 49,808/x
  3. Step 3: Cross multiply
    21,472x = 49,808 × 49,808
  4. Step 4: Simplify right side
    21,472x = 2,480,836,864
  5. Step 5: Solve for x
    x = 2,480,836,864/21,472
  6. Step 6: Final answer
    x = 115,538.23

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.