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Finding the Third Proportional to 3,596 and 7,860

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Solution

The third proportional to 3,596 and 7,860 is: 17,180.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,596 : 7,860 = 7,860 : x
  2. Step 2: Convert to fraction form
    3,596/7,860 = 7,860/x
  3. Step 3: Cross multiply
    3,596x = 7,860 × 7,860
  4. Step 4: Simplify right side
    3,596x = 61,779,600
  5. Step 5: Solve for x
    x = 61,779,600/3,596
  6. Step 6: Final answer
    x = 17,180.09

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.