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Finding the Third Proportional to 74,855 and 102,562

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Solution

The third proportional to 74,855 and 102,562 is: 140,524.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,855 : 102,562 = 102,562 : x
  2. Step 2: Convert to fraction form
    74,855/102,562 = 102,562/x
  3. Step 3: Cross multiply
    74,855x = 102,562 × 102,562
  4. Step 4: Simplify right side
    74,855x = 10,518,963,844
  5. Step 5: Solve for x
    x = 10,518,963,844/74,855
  6. Step 6: Final answer
    x = 140,524.53

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.