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Finding the Third Proportional to 1,539 and 2,368.41

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Solution

The third proportional to 1,539 and 2,368.41 is: 3,644.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539 : 2,368.41 = 2,368.41 : x
  2. Step 2: Convert to fraction form
    1,539/2,368.41 = 2,368.41/x
  3. Step 3: Cross multiply
    1,539x = 2,368.41 × 2,368.41
  4. Step 4: Simplify right side
    1,539x = 5,609,348.17
  5. Step 5: Solve for x
    x = 5,609,348.17/1,539
  6. Step 6: Final answer
    x = 3,644.80

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.