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Finding the Third Proportional to 7,011 and 15,115

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Solution

The third proportional to 7,011 and 15,115 is: 32,586.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,011 : 15,115 = 15,115 : x
  2. Step 2: Convert to fraction form
    7,011/15,115 = 15,115/x
  3. Step 3: Cross multiply
    7,011x = 15,115 × 15,115
  4. Step 4: Simplify right side
    7,011x = 228,463,225
  5. Step 5: Solve for x
    x = 228,463,225/7,011
  6. Step 6: Final answer
    x = 32,586.40

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.