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Finding the Third Proportional to 34,938 and 75,412

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Solution

The third proportional to 34,938 and 75,412 is: 162,773.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,938 : 75,412 = 75,412 : x
  2. Step 2: Convert to fraction form
    34,938/75,412 = 75,412/x
  3. Step 3: Cross multiply
    34,938x = 75,412 × 75,412
  4. Step 4: Simplify right side
    34,938x = 5,686,969,744
  5. Step 5: Solve for x
    x = 5,686,969,744/34,938
  6. Step 6: Final answer
    x = 162,773.19

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.