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Finding the Third Proportional to 4,147,884 and 6,398,706

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Solution

The third proportional to 4,147,884 and 6,398,706 is: 9,870,921.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,147,884 : 6,398,706 = 6,398,706 : x
  2. Step 2: Convert to fraction form
    4,147,884/6,398,706 = 6,398,706/x
  3. Step 3: Cross multiply
    4,147,884x = 6,398,706 × 6,398,706
  4. Step 4: Simplify right side
    4,147,884x = 40,943,438,474,436
  5. Step 5: Solve for x
    x = 40,943,438,474,436/4,147,884
  6. Step 6: Final answer
    x = 9,870,921.77

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.