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Finding the Third Proportional to 1,543 and 2,506.88

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Solution

The third proportional to 1,543 and 2,506.88 is: 4,072.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543 : 2,506.88 = 2,506.88 : x
  2. Step 2: Convert to fraction form
    1,543/2,506.88 = 2,506.88/x
  3. Step 3: Cross multiply
    1,543x = 2,506.88 × 2,506.88
  4. Step 4: Simplify right side
    1,543x = 6,284,422.27
  5. Step 5: Solve for x
    x = 6,284,422.27/1,543
  6. Step 6: Final answer
    x = 4,072.86

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Why These Related Problems?

These problems maintain the same ratio (1.62) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.