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Finding the Third Proportional to 3,979,278.56 and 8,525,877.75

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Solution

The third proportional to 3,979,278.56 and 8,525,877.75 is: 18,267,278.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,979,278.56 : 8,525,877.75 = 8,525,877.75 : x
  2. Step 2: Convert to fraction form
    3,979,278.56/8,525,877.75 = 8,525,877.75/x
  3. Step 3: Cross multiply
    3,979,278.56x = 8,525,877.75 × 8,525,877.75
  4. Step 4: Simplify right side
    3,979,278.56x = 72,690,591,407,945.06
  5. Step 5: Solve for x
    x = 72,690,591,407,945.06/3,979,278.56
  6. Step 6: Final answer
    x = 18,267,278.92

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.