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Finding the Third Proportional to 19,276.68 and 28,754.56

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Solution

The third proportional to 19,276.68 and 28,754.56 is: 42,892.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,276.68 : 28,754.56 = 28,754.56 : x
  2. Step 2: Convert to fraction form
    19,276.68/28,754.56 = 28,754.56/x
  3. Step 3: Cross multiply
    19,276.68x = 28,754.56 × 28,754.56
  4. Step 4: Simplify right side
    19,276.68x = 826,825,004.97
  5. Step 5: Solve for x
    x = 826,825,004.97/19,276.68
  6. Step 6: Final answer
    x = 42,892.51

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.