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Finding the Third Proportional to 75,757.50 and 159,345

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Solution

The third proportional to 75,757.50 and 159,345 is: 335,159.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,757.50 : 159,345 = 159,345 : x
  2. Step 2: Convert to fraction form
    75,757.50/159,345 = 159,345/x
  3. Step 3: Cross multiply
    75,757.50x = 159,345 × 159,345
  4. Step 4: Simplify right side
    75,757.50x = 25,390,829,025
  5. Step 5: Solve for x
    x = 25,390,829,025/75,757.50
  6. Step 6: Final answer
    x = 335,159.28

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.