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Finding the Third Proportional to 15,603.75 and 25,351.88

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Solution

The third proportional to 15,603.75 and 25,351.88 is: 41,189.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,603.75 : 25,351.88 = 25,351.88 : x
  2. Step 2: Convert to fraction form
    15,603.75/25,351.88 = 25,351.88/x
  3. Step 3: Cross multiply
    15,603.75x = 25,351.88 × 25,351.88
  4. Step 4: Simplify right side
    15,603.75x = 642,717,566.02
  5. Step 5: Solve for x
    x = 642,717,566.02/15,603.75
  6. Step 6: Final answer
    x = 41,189.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.62) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.