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Finding the Third Proportional to 21,326 and 32,289

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Solution

The third proportional to 21,326 and 32,289 is: 48,887.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,326 : 32,289 = 32,289 : x
  2. Step 2: Convert to fraction form
    21,326/32,289 = 32,289/x
  3. Step 3: Cross multiply
    21,326x = 32,289 × 32,289
  4. Step 4: Simplify right side
    21,326x = 1,042,579,521
  5. Step 5: Solve for x
    x = 1,042,579,521/21,326
  6. Step 6: Final answer
    x = 48,887.72

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.