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Finding the Third Proportional to 79,901,873,645 and 173,869,699,324.50

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Solution

The third proportional to 79,901,873,645 and 173,869,699,324.50 is: 378,347,477,526.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,901,873,645 : 173,869,699,324.50 = 173,869,699,324.50 : x
  2. Step 2: Convert to fraction form
    79,901,873,645/173,869,699,324.50 = 173,869,699,324.50/x
  3. Step 3: Cross multiply
    79,901,873,645x = 173,869,699,324.50 × 173,869,699,324.50
  4. Step 4: Simplify right side
    79,901,873,645x = 30,230,672,343,192,035,131,392
  5. Step 5: Solve for x
    x = 30,230,672,343,192,035,131,392/79,901,873,645
  6. Step 6: Final answer
    x = 378,347,477,526.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.