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Finding the Third Proportional to 25,248 and 39,147.75

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Solution

The third proportional to 25,248 and 39,147.75 is: 60,699.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,248 : 39,147.75 = 39,147.75 : x
  2. Step 2: Convert to fraction form
    25,248/39,147.75 = 39,147.75/x
  3. Step 3: Cross multiply
    25,248x = 39,147.75 × 39,147.75
  4. Step 4: Simplify right side
    25,248x = 1,532,546,330.06
  5. Step 5: Solve for x
    x = 1,532,546,330.06/25,248
  6. Step 6: Final answer
    x = 60,699.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.