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Finding the Third Proportional to 8,557,380 and 18,794,160

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Solution

The third proportional to 8,557,380 and 18,794,160 is: 41,276,705.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,557,380 : 18,794,160 = 18,794,160 : x
  2. Step 2: Convert to fraction form
    8,557,380/18,794,160 = 18,794,160/x
  3. Step 3: Cross multiply
    8,557,380x = 18,794,160 × 18,794,160
  4. Step 4: Simplify right side
    8,557,380x = 353,220,450,105,600
  5. Step 5: Solve for x
    x = 353,220,450,105,600/8,557,380
  6. Step 6: Final answer
    x = 41,276,705.03

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.