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Finding the Third Proportional to 15,052.50 and 20,108.25

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Solution

The third proportional to 15,052.50 and 20,108.25 is: 26,862.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,052.50 : 20,108.25 = 20,108.25 : x
  2. Step 2: Convert to fraction form
    15,052.50/20,108.25 = 20,108.25/x
  3. Step 3: Cross multiply
    15,052.50x = 20,108.25 × 20,108.25
  4. Step 4: Simplify right side
    15,052.50x = 404,341,718.06
  5. Step 5: Solve for x
    x = 404,341,718.06/15,052.50
  6. Step 6: Final answer
    x = 26,862.10

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.