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Finding the Third Proportional to 29,784 and 40,560

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Solution

The third proportional to 29,784 and 40,560 is: 55,234.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,784 : 40,560 = 40,560 : x
  2. Step 2: Convert to fraction form
    29,784/40,560 = 40,560/x
  3. Step 3: Cross multiply
    29,784x = 40,560 × 40,560
  4. Step 4: Simplify right side
    29,784x = 1,645,113,600
  5. Step 5: Solve for x
    x = 1,645,113,600/29,784
  6. Step 6: Final answer
    x = 55,234.81

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.