Home / 168,271,561.69-258,485,721.75

Finding the Third Proportional to 168,271,561.69 and 258,485,721.75

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Solution

The third proportional to 168,271,561.69 and 258,485,721.75 is: 397,065,717.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,271,561.69 : 258,485,721.75 = 258,485,721.75 : x
  2. Step 2: Convert to fraction form
    168,271,561.69/258,485,721.75 = 258,485,721.75/x
  3. Step 3: Cross multiply
    168,271,561.69x = 258,485,721.75 × 258,485,721.75
  4. Step 4: Simplify right side
    168,271,561.69x = 66,814,868,348,618,424
  5. Step 5: Solve for x
    x = 66,814,868,348,618,424/168,271,561.69
  6. Step 6: Final answer
    x = 397,065,717.34

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