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Finding the Third Proportional to 7,287 and 17,541

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Solution

The third proportional to 7,287 and 17,541 is: 42,224.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,287 : 17,541 = 17,541 : x
  2. Step 2: Convert to fraction form
    7,287/17,541 = 17,541/x
  3. Step 3: Cross multiply
    7,287x = 17,541 × 17,541
  4. Step 4: Simplify right side
    7,287x = 307,686,681
  5. Step 5: Solve for x
    x = 307,686,681/7,287
  6. Step 6: Final answer
    x = 42,224.05

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Why These Related Problems?

These problems maintain the same ratio (2.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.