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Finding the Third Proportional to 6,316 and 13,315

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Solution

The third proportional to 6,316 and 13,315 is: 28,069.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,316 : 13,315 = 13,315 : x
  2. Step 2: Convert to fraction form
    6,316/13,315 = 13,315/x
  3. Step 3: Cross multiply
    6,316x = 13,315 × 13,315
  4. Step 4: Simplify right side
    6,316x = 177,289,225
  5. Step 5: Solve for x
    x = 177,289,225/6,316
  6. Step 6: Final answer
    x = 28,069.86

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.