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Finding the Third Proportional to 8,609,259 and 18,731,820

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Solution

The third proportional to 8,609,259 and 18,731,820 is: 40,756,246.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,609,259 : 18,731,820 = 18,731,820 : x
  2. Step 2: Convert to fraction form
    8,609,259/18,731,820 = 18,731,820/x
  3. Step 3: Cross multiply
    8,609,259x = 18,731,820 × 18,731,820
  4. Step 4: Simplify right side
    8,609,259x = 350,881,080,512,400
  5. Step 5: Solve for x
    x = 350,881,080,512,400/8,609,259
  6. Step 6: Final answer
    x = 40,756,246.33

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.