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Finding the Third Proportional to 14,078.25 and 30,339

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Solution

The third proportional to 14,078.25 and 30,339 is: 65,381.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,078.25 : 30,339 = 30,339 : x
  2. Step 2: Convert to fraction form
    14,078.25/30,339 = 30,339/x
  3. Step 3: Cross multiply
    14,078.25x = 30,339 × 30,339
  4. Step 4: Simplify right side
    14,078.25x = 920,454,921
  5. Step 5: Solve for x
    x = 920,454,921/14,078.25
  6. Step 6: Final answer
    x = 65,381.35

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.