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Finding the Third Proportional to 9,312 and 18,384

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Solution

The third proportional to 9,312 and 18,384 is: 36,294.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,312 : 18,384 = 18,384 : x
  2. Step 2: Convert to fraction form
    9,312/18,384 = 18,384/x
  3. Step 3: Cross multiply
    9,312x = 18,384 × 18,384
  4. Step 4: Simplify right side
    9,312x = 337,971,456
  5. Step 5: Solve for x
    x = 337,971,456/9,312
  6. Step 6: Final answer
    x = 36,294.19

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Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.