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Finding the Third Proportional to 4,266,938 and 9,330,908

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Solution

The third proportional to 4,266,938 and 9,330,908 is: 20,404,759.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,266,938 : 9,330,908 = 9,330,908 : x
  2. Step 2: Convert to fraction form
    4,266,938/9,330,908 = 9,330,908/x
  3. Step 3: Cross multiply
    4,266,938x = 9,330,908 × 9,330,908
  4. Step 4: Simplify right side
    4,266,938x = 87,065,844,104,464
  5. Step 5: Solve for x
    x = 87,065,844,104,464/4,266,938
  6. Step 6: Final answer
    x = 20,404,759.60

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.