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Finding the Third Proportional to 15,199.50 and 23,721

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Solution

The third proportional to 15,199.50 and 23,721 is: 37,020.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,199.50 : 23,721 = 23,721 : x
  2. Step 2: Convert to fraction form
    15,199.50/23,721 = 23,721/x
  3. Step 3: Cross multiply
    15,199.50x = 23,721 × 23,721
  4. Step 4: Simplify right side
    15,199.50x = 562,685,841
  5. Step 5: Solve for x
    x = 562,685,841/15,199.50
  6. Step 6: Final answer
    x = 37,020.02

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.