Home / 18,172,367.72-38,899,121.06

Finding the Third Proportional to 18,172,367.72 and 38,899,121.06

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Solution

The third proportional to 18,172,367.72 and 38,899,121.06 is: 83,266,068.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,172,367.72 : 38,899,121.06 = 38,899,121.06 : x
  2. Step 2: Convert to fraction form
    18,172,367.72/38,899,121.06 = 38,899,121.06/x
  3. Step 3: Cross multiply
    18,172,367.72x = 38,899,121.06 × 38,899,121.06
  4. Step 4: Simplify right side
    18,172,367.72x = 1,513,141,619,435,031.25
  5. Step 5: Solve for x
    x = 1,513,141,619,435,031.25/18,172,367.72
  6. Step 6: Final answer
    x = 83,266,068.73

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.