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Finding the Third Proportional to 15,894.50 and 21,562

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Solution

The third proportional to 15,894.50 and 21,562 is: 29,250.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,894.50 : 21,562 = 21,562 : x
  2. Step 2: Convert to fraction form
    15,894.50/21,562 = 21,562/x
  3. Step 3: Cross multiply
    15,894.50x = 21,562 × 21,562
  4. Step 4: Simplify right side
    15,894.50x = 464,919,844
  5. Step 5: Solve for x
    x = 464,919,844/15,894.50
  6. Step 6: Final answer
    x = 29,250.36

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.