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Finding the Third Proportional to 15,750 and 25,245

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Solution

The third proportional to 15,750 and 25,245 is: 40,464.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,750 : 25,245 = 25,245 : x
  2. Step 2: Convert to fraction form
    15,750/25,245 = 25,245/x
  3. Step 3: Cross multiply
    15,750x = 25,245 × 25,245
  4. Step 4: Simplify right side
    15,750x = 637,310,025
  5. Step 5: Solve for x
    x = 637,310,025/15,750
  6. Step 6: Final answer
    x = 40,464.13

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.