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Finding the Third Proportional to 168,271,566.75 and 258,485,729.06

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Solution

The third proportional to 168,271,566.75 and 258,485,729.06 is: 397,065,727.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,271,566.75 : 258,485,729.06 = 258,485,729.06 : x
  2. Step 2: Convert to fraction form
    168,271,566.75/258,485,729.06 = 258,485,729.06/x
  3. Step 3: Cross multiply
    168,271,566.75x = 258,485,729.06 × 258,485,729.06
  4. Step 4: Simplify right side
    168,271,566.75x = 66,814,872,128,972,160
  5. Step 5: Solve for x
    x = 66,814,872,128,972,160/168,271,566.75
  6. Step 6: Final answer
    x = 397,065,727.86

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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.