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Finding the Third Proportional to 1,365 and 2,436

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Solution

The third proportional to 1,365 and 2,436 is: 4,347.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365 : 2,436 = 2,436 : x
  2. Step 2: Convert to fraction form
    1,365/2,436 = 2,436/x
  3. Step 3: Cross multiply
    1,365x = 2,436 × 2,436
  4. Step 4: Simplify right side
    1,365x = 5,934,096
  5. Step 5: Solve for x
    x = 5,934,096/1,365
  6. Step 6: Final answer
    x = 4,347.32

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Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.