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Finding the Third Proportional to 19,859.25 and 29,180.25

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Solution

The third proportional to 19,859.25 and 29,180.25 is: 42,876.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,859.25 : 29,180.25 = 29,180.25 : x
  2. Step 2: Convert to fraction form
    19,859.25/29,180.25 = 29,180.25/x
  3. Step 3: Cross multiply
    19,859.25x = 29,180.25 × 29,180.25
  4. Step 4: Simplify right side
    19,859.25x = 851,486,990.06
  5. Step 5: Solve for x
    x = 851,486,990.06/19,859.25
  6. Step 6: Final answer
    x = 42,876.09

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.