Home / 20,573,404.50-28,211,739.75

Finding the Third Proportional to 20,573,404.50 and 28,211,739.75

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Solution

The third proportional to 20,573,404.50 and 28,211,739.75 is: 38,685,977.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,573,404.50 : 28,211,739.75 = 28,211,739.75 : x
  2. Step 2: Convert to fraction form
    20,573,404.50/28,211,739.75 = 28,211,739.75/x
  3. Step 3: Cross multiply
    20,573,404.50x = 28,211,739.75 × 28,211,739.75
  4. Step 4: Simplify right side
    20,573,404.50x = 795,902,259,721,730
  5. Step 5: Solve for x
    x = 795,902,259,721,730/20,573,404.50
  6. Step 6: Final answer
    x = 38,685,977.31

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.