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Finding the Third Proportional to 14,411.25 and 31,347

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Solution

The third proportional to 14,411.25 and 31,347 is: 68,185.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,411.25 : 31,347 = 31,347 : x
  2. Step 2: Convert to fraction form
    14,411.25/31,347 = 31,347/x
  3. Step 3: Cross multiply
    14,411.25x = 31,347 × 31,347
  4. Step 4: Simplify right side
    14,411.25x = 982,634,409
  5. Step 5: Solve for x
    x = 982,634,409/14,411.25
  6. Step 6: Final answer
    x = 68,185.23

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.