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Finding the Third Proportional to 9,420 and 19,152

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Solution

The third proportional to 9,420 and 19,152 is: 38,938.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,420 : 19,152 = 19,152 : x
  2. Step 2: Convert to fraction form
    9,420/19,152 = 19,152/x
  3. Step 3: Cross multiply
    9,420x = 19,152 × 19,152
  4. Step 4: Simplify right side
    9,420x = 366,799,104
  5. Step 5: Solve for x
    x = 366,799,104/9,420
  6. Step 6: Final answer
    x = 38,938.33

Related Problems

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.