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Finding the Third Proportional to 20,953 and 27,541

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Solution

The third proportional to 20,953 and 27,541 is: 36,200.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,953 : 27,541 = 27,541 : x
  2. Step 2: Convert to fraction form
    20,953/27,541 = 27,541/x
  3. Step 3: Cross multiply
    20,953x = 27,541 × 27,541
  4. Step 4: Simplify right side
    20,953x = 758,506,681
  5. Step 5: Solve for x
    x = 758,506,681/20,953
  6. Step 6: Final answer
    x = 36,200.39

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Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.