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Finding the Third Proportional to 19,512 and 22,428

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Solution

The third proportional to 19,512 and 22,428 is: 25,779.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,512 : 22,428 = 22,428 : x
  2. Step 2: Convert to fraction form
    19,512/22,428 = 22,428/x
  3. Step 3: Cross multiply
    19,512x = 22,428 × 22,428
  4. Step 4: Simplify right side
    19,512x = 503,015,184
  5. Step 5: Solve for x
    x = 503,015,184/19,512
  6. Step 6: Final answer
    x = 25,779.79

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Why These Related Problems?

These problems maintain the same ratio (1.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.