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Finding the Third Proportional to 13,339 and 28,940

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Solution

The third proportional to 13,339 and 28,940 is: 62,787.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,339 : 28,940 = 28,940 : x
  2. Step 2: Convert to fraction form
    13,339/28,940 = 28,940/x
  3. Step 3: Cross multiply
    13,339x = 28,940 × 28,940
  4. Step 4: Simplify right side
    13,339x = 837,523,600
  5. Step 5: Solve for x
    x = 837,523,600/13,339
  6. Step 6: Final answer
    x = 62,787.59

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.