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Finding the Third Proportional to 6,352 and 13,780

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Solution

The third proportional to 6,352 and 13,780 is: 29,894.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,352 : 13,780 = 13,780 : x
  2. Step 2: Convert to fraction form
    6,352/13,780 = 13,780/x
  3. Step 3: Cross multiply
    6,352x = 13,780 × 13,780
  4. Step 4: Simplify right side
    6,352x = 189,888,400
  5. Step 5: Solve for x
    x = 189,888,400/6,352
  6. Step 6: Final answer
    x = 29,894.27

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.