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Finding the Third Proportional to 19,160 and 28,622

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Solution

The third proportional to 19,160 and 28,622 is: 42,756.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,160 : 28,622 = 28,622 : x
  2. Step 2: Convert to fraction form
    19,160/28,622 = 28,622/x
  3. Step 3: Cross multiply
    19,160x = 28,622 × 28,622
  4. Step 4: Simplify right side
    19,160x = 819,218,884
  5. Step 5: Solve for x
    x = 819,218,884/19,160
  6. Step 6: Final answer
    x = 42,756.73

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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.