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Finding the Third Proportional to 7,732 and 12,454

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Solution

The third proportional to 7,732 and 12,454 is: 20,059.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,732 : 12,454 = 12,454 : x
  2. Step 2: Convert to fraction form
    7,732/12,454 = 12,454/x
  3. Step 3: Cross multiply
    7,732x = 12,454 × 12,454
  4. Step 4: Simplify right side
    7,732x = 155,102,116
  5. Step 5: Solve for x
    x = 155,102,116/7,732
  6. Step 6: Final answer
    x = 20,059.77

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.