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Finding the Third Proportional to 4,121,255 and 8,951,854

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Solution

The third proportional to 4,121,255 and 8,951,854 is: 19,444,487.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121,255 : 8,951,854 = 8,951,854 : x
  2. Step 2: Convert to fraction form
    4,121,255/8,951,854 = 8,951,854/x
  3. Step 3: Cross multiply
    4,121,255x = 8,951,854 × 8,951,854
  4. Step 4: Simplify right side
    4,121,255x = 80,135,690,037,316
  5. Step 5: Solve for x
    x = 80,135,690,037,316/4,121,255
  6. Step 6: Final answer
    x = 19,444,487.19

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.