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Finding the Third Proportional to 8,735,638 and 18,591,574

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Solution

The third proportional to 8,735,638 and 18,591,574 is: 39,567,416.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,735,638 : 18,591,574 = 18,591,574 : x
  2. Step 2: Convert to fraction form
    8,735,638/18,591,574 = 18,591,574/x
  3. Step 3: Cross multiply
    8,735,638x = 18,591,574 × 18,591,574
  4. Step 4: Simplify right side
    8,735,638x = 345,646,623,797,476
  5. Step 5: Solve for x
    x = 345,646,623,797,476/8,735,638
  6. Step 6: Final answer
    x = 39,567,416.12

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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.