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Finding the Third Proportional to 8,464 and 20,584

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Solution

The third proportional to 8,464 and 20,584 is: 50,059.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,464 : 20,584 = 20,584 : x
  2. Step 2: Convert to fraction form
    8,464/20,584 = 20,584/x
  3. Step 3: Cross multiply
    8,464x = 20,584 × 20,584
  4. Step 4: Simplify right side
    8,464x = 423,701,056
  5. Step 5: Solve for x
    x = 423,701,056/8,464
  6. Step 6: Final answer
    x = 50,059.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.