Home / 20,539,777.50-31,787,538.75

Finding the Third Proportional to 20,539,777.50 and 31,787,538.75

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Solution

The third proportional to 20,539,777.50 and 31,787,538.75 is: 49,194,672.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,539,777.50 : 31,787,538.75 = 31,787,538.75 : x
  2. Step 2: Convert to fraction form
    20,539,777.50/31,787,538.75 = 31,787,538.75/x
  3. Step 3: Cross multiply
    20,539,777.50x = 31,787,538.75 × 31,787,538.75
  4. Step 4: Simplify right side
    20,539,777.50x = 1,010,447,619,782,751.50
  5. Step 5: Solve for x
    x = 1,010,447,619,782,751.50/20,539,777.50
  6. Step 6: Final answer
    x = 49,194,672.13

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.