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Finding the Third Proportional to 124,520 and 275,206

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Solution

The third proportional to 124,520 and 275,206 is: 608,242.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,520 : 275,206 = 275,206 : x
  2. Step 2: Convert to fraction form
    124,520/275,206 = 275,206/x
  3. Step 3: Cross multiply
    124,520x = 275,206 × 275,206
  4. Step 4: Simplify right side
    124,520x = 75,738,342,436
  5. Step 5: Solve for x
    x = 75,738,342,436/124,520
  6. Step 6: Final answer
    x = 608,242.39

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.