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Finding the Third Proportional to 19,902 and 29,575

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Solution

The third proportional to 19,902 and 29,575 is: 43,949.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,902 : 29,575 = 29,575 : x
  2. Step 2: Convert to fraction form
    19,902/29,575 = 29,575/x
  3. Step 3: Cross multiply
    19,902x = 29,575 × 29,575
  4. Step 4: Simplify right side
    19,902x = 874,680,625
  5. Step 5: Solve for x
    x = 874,680,625/19,902
  6. Step 6: Final answer
    x = 43,949.38

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.