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Finding the Third Proportional to 25,256,786 and 54,555,174

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Solution

The third proportional to 25,256,786 and 54,555,174 is: 117,840,290.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,256,786 : 54,555,174 = 54,555,174 : x
  2. Step 2: Convert to fraction form
    25,256,786/54,555,174 = 54,555,174/x
  3. Step 3: Cross multiply
    25,256,786x = 54,555,174 × 54,555,174
  4. Step 4: Simplify right side
    25,256,786x = 2,976,267,010,170,276
  5. Step 5: Solve for x
    x = 2,976,267,010,170,276/25,256,786
  6. Step 6: Final answer
    x = 117,840,290.93

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.