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Finding the Third Proportional to 6,445 and 13,735

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Solution

The third proportional to 6,445 and 13,735 is: 29,270.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,445 : 13,735 = 13,735 : x
  2. Step 2: Convert to fraction form
    6,445/13,735 = 13,735/x
  3. Step 3: Cross multiply
    6,445x = 13,735 × 13,735
  4. Step 4: Simplify right side
    6,445x = 188,650,225
  5. Step 5: Solve for x
    x = 188,650,225/6,445
  6. Step 6: Final answer
    x = 29,270.79

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.