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Finding the Third Proportional to 8,609,268.75 and 18,731,834.25

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Solution

The third proportional to 8,609,268.75 and 18,731,834.25 is: 40,756,262.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,609,268.75 : 18,731,834.25 = 18,731,834.25 : x
  2. Step 2: Convert to fraction form
    8,609,268.75/18,731,834.25 = 18,731,834.25/x
  3. Step 3: Cross multiply
    8,609,268.75x = 18,731,834.25 × 18,731,834.25
  4. Step 4: Simplify right side
    8,609,268.75x = 350,881,614,369,473.06
  5. Step 5: Solve for x
    x = 350,881,614,369,473.06/8,609,268.75
  6. Step 6: Final answer
    x = 40,756,262.18

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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.