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Finding the Third Proportional to 6,688 and 15,376

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Solution

The third proportional to 6,688 and 15,376 is: 35,350.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,688 : 15,376 = 15,376 : x
  2. Step 2: Convert to fraction form
    6,688/15,376 = 15,376/x
  3. Step 3: Cross multiply
    6,688x = 15,376 × 15,376
  4. Step 4: Simplify right side
    6,688x = 236,421,376
  5. Step 5: Solve for x
    x = 236,421,376/6,688
  6. Step 6: Final answer
    x = 35,350.09

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Why These Related Problems?

These problems maintain the same ratio (2.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.