Home / 18,520,212.75-39,884,976.75

Finding the Third Proportional to 18,520,212.75 and 39,884,976.75

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Solution

The third proportional to 18,520,212.75 and 39,884,976.75 is: 85,895,955.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,520,212.75 : 39,884,976.75 = 39,884,976.75 : x
  2. Step 2: Convert to fraction form
    18,520,212.75/39,884,976.75 = 39,884,976.75/x
  3. Step 3: Cross multiply
    18,520,212.75x = 39,884,976.75 × 39,884,976.75
  4. Step 4: Simplify right side
    18,520,212.75x = 1,590,811,370,348,040.50
  5. Step 5: Solve for x
    x = 1,590,811,370,348,040.50/18,520,212.75
  6. Step 6: Final answer
    x = 85,895,955.51

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.