Home / 18,202,742.72-39,106,908.84

Finding the Third Proportional to 18,202,742.72 and 39,106,908.84

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Solution

The third proportional to 18,202,742.72 and 39,106,908.84 is: 84,017,575.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,202,742.72 : 39,106,908.84 = 39,106,908.84 : x
  2. Step 2: Convert to fraction form
    18,202,742.72/39,106,908.84 = 39,106,908.84/x
  3. Step 3: Cross multiply
    18,202,742.72x = 39,106,908.84 × 39,106,908.84
  4. Step 4: Simplify right side
    18,202,742.72x = 1,529,350,319,313,372
  5. Step 5: Solve for x
    x = 1,529,350,319,313,372/18,202,742.72
  6. Step 6: Final answer
    x = 84,017,575.97

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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.