Home / 248,218,066.50-399,945,426.75

Finding the Third Proportional to 248,218,066.50 and 399,945,426.75

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Solution

The third proportional to 248,218,066.50 and 399,945,426.75 is: 644,418,622.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,218,066.50 : 399,945,426.75 = 399,945,426.75 : x
  2. Step 2: Convert to fraction form
    248,218,066.50/399,945,426.75 = 399,945,426.75/x
  3. Step 3: Cross multiply
    248,218,066.50x = 399,945,426.75 × 399,945,426.75
  4. Step 4: Simplify right side
    248,218,066.50x = 159,956,344,378,239,616
  5. Step 5: Solve for x
    x = 159,956,344,378,239,616/248,218,066.50
  6. Step 6: Final answer
    x = 644,418,622.04

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.