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Finding the Third Proportional to 9,124.50 and 20,973

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Solution

The third proportional to 9,124.50 and 20,973 is: 48,207.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,124.50 : 20,973 = 20,973 : x
  2. Step 2: Convert to fraction form
    9,124.50/20,973 = 20,973/x
  3. Step 3: Cross multiply
    9,124.50x = 20,973 × 20,973
  4. Step 4: Simplify right side
    9,124.50x = 439,866,729
  5. Step 5: Solve for x
    x = 439,866,729/9,124.50
  6. Step 6: Final answer
    x = 48,207.21

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Why These Related Problems?

These problems maintain the same ratio (2.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.