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Finding the Third Proportional to 81,868,467 and 179,118,834

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Solution

The third proportional to 81,868,467 and 179,118,834 is: 391,891,504.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,868,467 : 179,118,834 = 179,118,834 : x
  2. Step 2: Convert to fraction form
    81,868,467/179,118,834 = 179,118,834/x
  3. Step 3: Cross multiply
    81,868,467x = 179,118,834 × 179,118,834
  4. Step 4: Simplify right side
    81,868,467x = 32,083,556,693,519,556
  5. Step 5: Solve for x
    x = 32,083,556,693,519,556/81,868,467
  6. Step 6: Final answer
    x = 391,891,504.38

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.