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Finding the Third Proportional to 8,637,858 and 18,532,512

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Solution

The third proportional to 8,637,858 and 18,532,512 is: 39,761,478.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,637,858 : 18,532,512 = 18,532,512 : x
  2. Step 2: Convert to fraction form
    8,637,858/18,532,512 = 18,532,512/x
  3. Step 3: Cross multiply
    8,637,858x = 18,532,512 × 18,532,512
  4. Step 4: Simplify right side
    8,637,858x = 343,454,001,030,144
  5. Step 5: Solve for x
    x = 343,454,001,030,144/8,637,858
  6. Step 6: Final answer
    x = 39,761,478.02

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.