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Finding the Third Proportional to 15,319.50 and 23,420.25

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Solution

The third proportional to 15,319.50 and 23,420.25 is: 35,804.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,319.50 : 23,420.25 = 23,420.25 : x
  2. Step 2: Convert to fraction form
    15,319.50/23,420.25 = 23,420.25/x
  3. Step 3: Cross multiply
    15,319.50x = 23,420.25 × 23,420.25
  4. Step 4: Simplify right side
    15,319.50x = 548,508,110.06
  5. Step 5: Solve for x
    x = 548,508,110.06/15,319.50
  6. Step 6: Final answer
    x = 35,804.57

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.