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Finding the Third Proportional to 34,805 and 74,530

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Solution

The third proportional to 34,805 and 74,530 is: 159,595.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,805 : 74,530 = 74,530 : x
  2. Step 2: Convert to fraction form
    34,805/74,530 = 74,530/x
  3. Step 3: Cross multiply
    34,805x = 74,530 × 74,530
  4. Step 4: Simplify right side
    34,805x = 5,554,720,900
  5. Step 5: Solve for x
    x = 5,554,720,900/34,805
  6. Step 6: Final answer
    x = 159,595.49

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.