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Finding the Third Proportional to 192,430 and 286,593

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Solution

The third proportional to 192,430 and 286,593 is: 426,833.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,430 : 286,593 = 286,593 : x
  2. Step 2: Convert to fraction form
    192,430/286,593 = 286,593/x
  3. Step 3: Cross multiply
    192,430x = 286,593 × 286,593
  4. Step 4: Simplify right side
    192,430x = 82,135,547,649
  5. Step 5: Solve for x
    x = 82,135,547,649/192,430
  6. Step 6: Final answer
    x = 426,833.38

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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.