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Finding the Third Proportional to 718,086 and 1,555,846.50

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Solution

The third proportional to 718,086 and 1,555,846.50 is: 3,370,986.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,086 : 1,555,846.50 = 1,555,846.50 : x
  2. Step 2: Convert to fraction form
    718,086/1,555,846.50 = 1,555,846.50/x
  3. Step 3: Cross multiply
    718,086x = 1,555,846.50 × 1,555,846.50
  4. Step 4: Simplify right side
    718,086x = 2,420,658,331,562.25
  5. Step 5: Solve for x
    x = 2,420,658,331,562.25/718,086
  6. Step 6: Final answer
    x = 3,370,986.67

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.