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Finding the Third Proportional to 18,278,314 and 39,707,713

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Solution

The third proportional to 18,278,314 and 39,707,713 is: 86,260,826.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,278,314 : 39,707,713 = 39,707,713 : x
  2. Step 2: Convert to fraction form
    18,278,314/39,707,713 = 39,707,713/x
  3. Step 3: Cross multiply
    18,278,314x = 39,707,713 × 39,707,713
  4. Step 4: Simplify right side
    18,278,314x = 1,576,702,471,690,369
  5. Step 5: Solve for x
    x = 1,576,702,471,690,369/18,278,314
  6. Step 6: Final answer
    x = 86,260,826.45

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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.