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Finding the Third Proportional to 19,056 and 40,290

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Solution

The third proportional to 19,056 and 40,290 is: 85,184.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,056 : 40,290 = 40,290 : x
  2. Step 2: Convert to fraction form
    19,056/40,290 = 40,290/x
  3. Step 3: Cross multiply
    19,056x = 40,290 × 40,290
  4. Step 4: Simplify right side
    19,056x = 1,623,284,100
  5. Step 5: Solve for x
    x = 1,623,284,100/19,056
  6. Step 6: Final answer
    x = 85,184.93

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.