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Finding the Third Proportional to 534 and 1,272

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Solution

The third proportional to 534 and 1,272 is: 3,029.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    534 : 1,272 = 1,272 : x
  2. Step 2: Convert to fraction form
    534/1,272 = 1,272/x
  3. Step 3: Cross multiply
    534x = 1,272 × 1,272
  4. Step 4: Simplify right side
    534x = 1,617,984
  5. Step 5: Solve for x
    x = 1,617,984/534
  6. Step 6: Final answer
    x = 3,029.93

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These problems maintain the same ratio (2.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.