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Finding the Third Proportional to 49,491 and 69,579

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Solution

The third proportional to 49,491 and 69,579 is: 97,820.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,491 : 69,579 = 69,579 : x
  2. Step 2: Convert to fraction form
    49,491/69,579 = 69,579/x
  3. Step 3: Cross multiply
    49,491x = 69,579 × 69,579
  4. Step 4: Simplify right side
    49,491x = 4,841,237,241
  5. Step 5: Solve for x
    x = 4,841,237,241/49,491
  6. Step 6: Final answer
    x = 97,820.56

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.