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Finding the Third Proportional to 8,573,540 and 18,493,228

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Solution

The third proportional to 8,573,540 and 18,493,228 is: 39,890,113.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,573,540 : 18,493,228 = 18,493,228 : x
  2. Step 2: Convert to fraction form
    8,573,540/18,493,228 = 18,493,228/x
  3. Step 3: Cross multiply
    8,573,540x = 18,493,228 × 18,493,228
  4. Step 4: Simplify right side
    8,573,540x = 341,999,481,859,984
  5. Step 5: Solve for x
    x = 341,999,481,859,984/8,573,540
  6. Step 6: Final answer
    x = 39,890,113.29

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.