Home / 20,402,421.75-43,107,491.25

Finding the Third Proportional to 20,402,421.75 and 43,107,491.25

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Solution

The third proportional to 20,402,421.75 and 43,107,491.25 is: 91,080,158.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,402,421.75 : 43,107,491.25 = 43,107,491.25 : x
  2. Step 2: Convert to fraction form
    20,402,421.75/43,107,491.25 = 43,107,491.25/x
  3. Step 3: Cross multiply
    20,402,421.75x = 43,107,491.25 × 43,107,491.25
  4. Step 4: Simplify right side
    20,402,421.75x = 1,858,255,801,868,826.50
  5. Step 5: Solve for x
    x = 1,858,255,801,868,826.50/20,402,421.75
  6. Step 6: Final answer
    x = 91,080,158.26

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.