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Finding the Third Proportional to 19,296 and 29,484

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Solution

The third proportional to 19,296 and 29,484 is: 45,051.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,296 : 29,484 = 29,484 : x
  2. Step 2: Convert to fraction form
    19,296/29,484 = 29,484/x
  3. Step 3: Cross multiply
    19,296x = 29,484 × 29,484
  4. Step 4: Simplify right side
    19,296x = 869,306,256
  5. Step 5: Solve for x
    x = 869,306,256/19,296
  6. Step 6: Final answer
    x = 45,051.11

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.