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Finding the Third Proportional to 135,828 and 292,482

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Solution

The third proportional to 135,828 and 292,482 is: 629,809.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,828 : 292,482 = 292,482 : x
  2. Step 2: Convert to fraction form
    135,828/292,482 = 292,482/x
  3. Step 3: Cross multiply
    135,828x = 292,482 × 292,482
  4. Step 4: Simplify right side
    135,828x = 85,545,720,324
  5. Step 5: Solve for x
    x = 85,545,720,324/135,828
  6. Step 6: Final answer
    x = 629,809.17

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.