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Finding the Third Proportional to 6,428 and 14,530

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Solution

The third proportional to 6,428 and 14,530 is: 32,843.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,428 : 14,530 = 14,530 : x
  2. Step 2: Convert to fraction form
    6,428/14,530 = 14,530/x
  3. Step 3: Cross multiply
    6,428x = 14,530 × 14,530
  4. Step 4: Simplify right side
    6,428x = 211,120,900
  5. Step 5: Solve for x
    x = 211,120,900/6,428
  6. Step 6: Final answer
    x = 32,843.95

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Why These Related Problems?

These problems maintain the same ratio (2.26) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.