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Finding the Third Proportional to 15,370 and 33,751

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Solution

The third proportional to 15,370 and 33,751 is: 74,113.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,370 : 33,751 = 33,751 : x
  2. Step 2: Convert to fraction form
    15,370/33,751 = 33,751/x
  3. Step 3: Cross multiply
    15,370x = 33,751 × 33,751
  4. Step 4: Simplify right side
    15,370x = 1,139,130,001
  5. Step 5: Solve for x
    x = 1,139,130,001/15,370
  6. Step 6: Final answer
    x = 74,113.86

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.