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Finding the Third Proportional to 192,264 and 286,803

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Solution

The third proportional to 192,264 and 286,803 is: 427,828.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,264 : 286,803 = 286,803 : x
  2. Step 2: Convert to fraction form
    192,264/286,803 = 286,803/x
  3. Step 3: Cross multiply
    192,264x = 286,803 × 286,803
  4. Step 4: Simplify right side
    192,264x = 82,255,960,809
  5. Step 5: Solve for x
    x = 82,255,960,809/192,264
  6. Step 6: Final answer
    x = 427,828.20

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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.