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Finding the Third Proportional to 15,448 and 17,716

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Solution

The third proportional to 15,448 and 17,716 is: 20,316.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,448 : 17,716 = 17,716 : x
  2. Step 2: Convert to fraction form
    15,448/17,716 = 17,716/x
  3. Step 3: Cross multiply
    15,448x = 17,716 × 17,716
  4. Step 4: Simplify right side
    15,448x = 313,856,656
  5. Step 5: Solve for x
    x = 313,856,656/15,448
  6. Step 6: Final answer
    x = 20,316.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.