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Finding the Third Proportional to 16,590 and 25,725

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Solution

The third proportional to 16,590 and 25,725 is: 39,890.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,590 : 25,725 = 25,725 : x
  2. Step 2: Convert to fraction form
    16,590/25,725 = 25,725/x
  3. Step 3: Cross multiply
    16,590x = 25,725 × 25,725
  4. Step 4: Simplify right side
    16,590x = 661,775,625
  5. Step 5: Solve for x
    x = 661,775,625/16,590
  6. Step 6: Final answer
    x = 39,890.03

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.