Home / 13,620,430.13-20,682,882.56

Finding the Third Proportional to 13,620,430.13 and 20,682,882.56

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Solution

The third proportional to 13,620,430.13 and 20,682,882.56 is: 31,407,351.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,620,430.13 : 20,682,882.56 = 20,682,882.56 : x
  2. Step 2: Convert to fraction form
    13,620,430.13/20,682,882.56 = 20,682,882.56/x
  3. Step 3: Cross multiply
    13,620,430.13x = 20,682,882.56 × 20,682,882.56
  4. Step 4: Simplify right side
    13,620,430.13x = 427,781,631,094,166.56
  5. Step 5: Solve for x
    x = 427,781,631,094,166.56/13,620,430.13
  6. Step 6: Final answer
    x = 31,407,351.10

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.