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Finding the Third Proportional to 21,836 and 46,787

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Solution

The third proportional to 21,836 and 46,787 is: 100,248.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,836 : 46,787 = 46,787 : x
  2. Step 2: Convert to fraction form
    21,836/46,787 = 46,787/x
  3. Step 3: Cross multiply
    21,836x = 46,787 × 46,787
  4. Step 4: Simplify right side
    21,836x = 2,189,023,369
  5. Step 5: Solve for x
    x = 2,189,023,369/21,836
  6. Step 6: Final answer
    x = 100,248.37

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.