Home / 20,346,450.75-30,309,491.25

Finding the Third Proportional to 20,346,450.75 and 30,309,491.25

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Solution

The third proportional to 20,346,450.75 and 30,309,491.25 is: 45,151,130.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,346,450.75 : 30,309,491.25 = 30,309,491.25 : x
  2. Step 2: Convert to fraction form
    20,346,450.75/30,309,491.25 = 30,309,491.25/x
  3. Step 3: Cross multiply
    20,346,450.75x = 30,309,491.25 × 30,309,491.25
  4. Step 4: Simplify right side
    20,346,450.75x = 918,665,259,833,826.50
  5. Step 5: Solve for x
    x = 918,665,259,833,826.50/20,346,450.75
  6. Step 6: Final answer
    x = 45,151,130.83

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.