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Finding the Third Proportional to 74,882 and 164,740

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Solution

The third proportional to 74,882 and 164,740 is: 362,427.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,882 : 164,740 = 164,740 : x
  2. Step 2: Convert to fraction form
    74,882/164,740 = 164,740/x
  3. Step 3: Cross multiply
    74,882x = 164,740 × 164,740
  4. Step 4: Simplify right side
    74,882x = 27,139,267,600
  5. Step 5: Solve for x
    x = 27,139,267,600/74,882
  6. Step 6: Final answer
    x = 362,427.12

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.