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Finding the Third Proportional to 8,910 and 19,013.48

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Solution

The third proportional to 8,910 and 19,013.48 is: 40,573.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,910 : 19,013.48 = 19,013.48 : x
  2. Step 2: Convert to fraction form
    8,910/19,013.48 = 19,013.48/x
  3. Step 3: Cross multiply
    8,910x = 19,013.48 × 19,013.48
  4. Step 4: Simplify right side
    8,910x = 361,512,588.08
  5. Step 5: Solve for x
    x = 361,512,588.08/8,910
  6. Step 6: Final answer
    x = 40,573.80

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.