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Finding the Third Proportional to 1,592 and 3,905

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Solution

The third proportional to 1,592 and 3,905 is: 9,578.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,592 : 3,905 = 3,905 : x
  2. Step 2: Convert to fraction form
    1,592/3,905 = 3,905/x
  3. Step 3: Cross multiply
    1,592x = 3,905 × 3,905
  4. Step 4: Simplify right side
    1,592x = 15,249,025
  5. Step 5: Solve for x
    x = 15,249,025/1,592
  6. Step 6: Final answer
    x = 9,578.53

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Why These Related Problems?

These problems maintain the same ratio (2.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.