Home / 4,045,121.25-8,690,557.50

Finding the Third Proportional to 4,045,121.25 and 8,690,557.50

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Solution

The third proportional to 4,045,121.25 and 8,690,557.50 is: 18,670,834.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,045,121.25 : 8,690,557.50 = 8,690,557.50 : x
  2. Step 2: Convert to fraction form
    4,045,121.25/8,690,557.50 = 8,690,557.50/x
  3. Step 3: Cross multiply
    4,045,121.25x = 8,690,557.50 × 8,690,557.50
  4. Step 4: Simplify right side
    4,045,121.25x = 75,525,789,660,806.25
  5. Step 5: Solve for x
    x = 75,525,789,660,806.25/4,045,121.25
  6. Step 6: Final answer
    x = 18,670,834.57

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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.