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Finding the Third Proportional to 6,472 and 13,840

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Solution

The third proportional to 6,472 and 13,840 is: 29,596.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,472 : 13,840 = 13,840 : x
  2. Step 2: Convert to fraction form
    6,472/13,840 = 13,840/x
  3. Step 3: Cross multiply
    6,472x = 13,840 × 13,840
  4. Step 4: Simplify right side
    6,472x = 191,545,600
  5. Step 5: Solve for x
    x = 191,545,600/6,472
  6. Step 6: Final answer
    x = 29,596.04

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.