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Finding the Third Proportional to 75,476 and 159,943

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Solution

The third proportional to 75,476 and 159,943 is: 338,939.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,476 : 159,943 = 159,943 : x
  2. Step 2: Convert to fraction form
    75,476/159,943 = 159,943/x
  3. Step 3: Cross multiply
    75,476x = 159,943 × 159,943
  4. Step 4: Simplify right side
    75,476x = 25,581,763,249
  5. Step 5: Solve for x
    x = 25,581,763,249/75,476
  6. Step 6: Final answer
    x = 338,939.04

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.