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Finding the Third Proportional to 13,348 and 28,721

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Solution

The third proportional to 13,348 and 28,721 is: 61,799.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,348 : 28,721 = 28,721 : x
  2. Step 2: Convert to fraction form
    13,348/28,721 = 28,721/x
  3. Step 3: Cross multiply
    13,348x = 28,721 × 28,721
  4. Step 4: Simplify right side
    13,348x = 824,895,841
  5. Step 5: Solve for x
    x = 824,895,841/13,348
  6. Step 6: Final answer
    x = 61,799.21

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.