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Finding the Third Proportional to 39,556,804 and 82,145,336

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Solution

The third proportional to 39,556,804 and 82,145,336 is: 170,586,486.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,556,804 : 82,145,336 = 82,145,336 : x
  2. Step 2: Convert to fraction form
    39,556,804/82,145,336 = 82,145,336/x
  3. Step 3: Cross multiply
    39,556,804x = 82,145,336 × 82,145,336
  4. Step 4: Simplify right side
    39,556,804x = 6,747,856,226,552,896
  5. Step 5: Solve for x
    x = 6,747,856,226,552,896/39,556,804
  6. Step 6: Final answer
    x = 170,586,486.88

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.