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Finding the Third Proportional to 192,266 and 286,806

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Solution

The third proportional to 192,266 and 286,806 is: 427,832.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,266 : 286,806 = 286,806 : x
  2. Step 2: Convert to fraction form
    192,266/286,806 = 286,806/x
  3. Step 3: Cross multiply
    192,266x = 286,806 × 286,806
  4. Step 4: Simplify right side
    192,266x = 82,257,681,636
  5. Step 5: Solve for x
    x = 82,257,681,636/192,266
  6. Step 6: Final answer
    x = 427,832.70

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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.