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Finding the Third Proportional to 79,126,969.50 and 168,705,531

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Solution

The third proportional to 79,126,969.50 and 168,705,531 is: 359,694,758.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,126,969.50 : 168,705,531 = 168,705,531 : x
  2. Step 2: Convert to fraction form
    79,126,969.50/168,705,531 = 168,705,531/x
  3. Step 3: Cross multiply
    79,126,969.50x = 168,705,531 × 168,705,531
  4. Step 4: Simplify right side
    79,126,969.50x = 28,461,556,189,991,960
  5. Step 5: Solve for x
    x = 28,461,556,189,991,960/79,126,969.50
  6. Step 6: Final answer
    x = 359,694,758.56

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.