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Finding the Third Proportional to 21,074 and 48,788

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Solution

The third proportional to 21,074 and 48,788 is: 112,948.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,074 : 48,788 = 48,788 : x
  2. Step 2: Convert to fraction form
    21,074/48,788 = 48,788/x
  3. Step 3: Cross multiply
    21,074x = 48,788 × 48,788
  4. Step 4: Simplify right side
    21,074x = 2,380,268,944
  5. Step 5: Solve for x
    x = 2,380,268,944/21,074
  6. Step 6: Final answer
    x = 112,948.13

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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.