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Finding the Third Proportional to 15,919 and 35,015

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Solution

The third proportional to 15,919 and 35,015 is: 77,018.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,919 : 35,015 = 35,015 : x
  2. Step 2: Convert to fraction form
    15,919/35,015 = 35,015/x
  3. Step 3: Cross multiply
    15,919x = 35,015 × 35,015
  4. Step 4: Simplify right side
    15,919x = 1,226,050,225
  5. Step 5: Solve for x
    x = 1,226,050,225/15,919
  6. Step 6: Final answer
    x = 77,018.04

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.