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Finding the Third Proportional to 6,429 and 11,334

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Solution

The third proportional to 6,429 and 11,334 is: 19,981.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,429 : 11,334 = 11,334 : x
  2. Step 2: Convert to fraction form
    6,429/11,334 = 11,334/x
  3. Step 3: Cross multiply
    6,429x = 11,334 × 11,334
  4. Step 4: Simplify right side
    6,429x = 128,459,556
  5. Step 5: Solve for x
    x = 128,459,556/6,429
  6. Step 6: Final answer
    x = 19,981.27

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Why These Related Problems?

These problems maintain the same ratio (1.76) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.