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Finding the Third Proportional to 192,268 and 286,808

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Solution

The third proportional to 192,268 and 286,808 is: 427,834.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,268 : 286,808 = 286,808 : x
  2. Step 2: Convert to fraction form
    192,268/286,808 = 286,808/x
  3. Step 3: Cross multiply
    192,268x = 286,808 × 286,808
  4. Step 4: Simplify right side
    192,268x = 82,258,828,864
  5. Step 5: Solve for x
    x = 82,258,828,864/192,268
  6. Step 6: Final answer
    x = 427,834.22

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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.