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Finding the Third Proportional to 34,929 and 75,438

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Solution

The third proportional to 34,929 and 75,438 is: 162,927.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,929 : 75,438 = 75,438 : x
  2. Step 2: Convert to fraction form
    34,929/75,438 = 75,438/x
  3. Step 3: Cross multiply
    34,929x = 75,438 × 75,438
  4. Step 4: Simplify right side
    34,929x = 5,690,891,844
  5. Step 5: Solve for x
    x = 5,690,891,844/34,929
  6. Step 6: Final answer
    x = 162,927.42

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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.