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Finding the Third Proportional to 534.09 and 831.94

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Solution

The third proportional to 534.09 and 831.94 is: 1,295.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    534.09 : 831.94 = 831.94 : x
  2. Step 2: Convert to fraction form
    534.09/831.94 = 831.94/x
  3. Step 3: Cross multiply
    534.09x = 831.94 × 831.94
  4. Step 4: Simplify right side
    534.09x = 692,120.00
  5. Step 5: Solve for x
    x = 692,120.00/534.09
  6. Step 6: Final answer
    x = 1,295.88

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.