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Finding the Third Proportional to 10,784 and 14,412

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Solution

The third proportional to 10,784 and 14,412 is: 19,260.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,784 : 14,412 = 14,412 : x
  2. Step 2: Convert to fraction form
    10,784/14,412 = 14,412/x
  3. Step 3: Cross multiply
    10,784x = 14,412 × 14,412
  4. Step 4: Simplify right side
    10,784x = 207,705,744
  5. Step 5: Solve for x
    x = 207,705,744/10,784
  6. Step 6: Final answer
    x = 19,260.55

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.