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Finding the Third Proportional to 19,704 and 28,800

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Solution

The third proportional to 19,704 and 28,800 is: 42,095.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,704 : 28,800 = 28,800 : x
  2. Step 2: Convert to fraction form
    19,704/28,800 = 28,800/x
  3. Step 3: Cross multiply
    19,704x = 28,800 × 28,800
  4. Step 4: Simplify right side
    19,704x = 829,440,000
  5. Step 5: Solve for x
    x = 829,440,000/19,704
  6. Step 6: Final answer
    x = 42,095.01

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.