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Finding the Third Proportional to 19,202 and 28,655

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Solution

The third proportional to 19,202 and 28,655 is: 42,761.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,202 : 28,655 = 28,655 : x
  2. Step 2: Convert to fraction form
    19,202/28,655 = 28,655/x
  3. Step 3: Cross multiply
    19,202x = 28,655 × 28,655
  4. Step 4: Simplify right side
    19,202x = 821,109,025
  5. Step 5: Solve for x
    x = 821,109,025/19,202
  6. Step 6: Final answer
    x = 42,761.64

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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.