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Finding the Third Proportional to 62,462 and 128,524

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Solution

The third proportional to 62,462 and 128,524 is: 264,455.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,462 : 128,524 = 128,524 : x
  2. Step 2: Convert to fraction form
    62,462/128,524 = 128,524/x
  3. Step 3: Cross multiply
    62,462x = 128,524 × 128,524
  4. Step 4: Simplify right side
    62,462x = 16,518,418,576
  5. Step 5: Solve for x
    x = 16,518,418,576/62,462
  6. Step 6: Final answer
    x = 264,455.49

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.