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Finding the Third Proportional to 21,000 and 24,672

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Solution

The third proportional to 21,000 and 24,672 is: 28,986.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,000 : 24,672 = 24,672 : x
  2. Step 2: Convert to fraction form
    21,000/24,672 = 24,672/x
  3. Step 3: Cross multiply
    21,000x = 24,672 × 24,672
  4. Step 4: Simplify right side
    21,000x = 608,707,584
  5. Step 5: Solve for x
    x = 608,707,584/21,000
  6. Step 6: Final answer
    x = 28,986.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.