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Finding the Third Proportional to 77,995,911 and 169,008,846

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Solution

The third proportional to 77,995,911 and 169,008,846 is: 366,224,198.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,995,911 : 169,008,846 = 169,008,846 : x
  2. Step 2: Convert to fraction form
    77,995,911/169,008,846 = 169,008,846/x
  3. Step 3: Cross multiply
    77,995,911x = 169,008,846 × 169,008,846
  4. Step 4: Simplify right side
    77,995,911x = 28,563,990,026,251,716
  5. Step 5: Solve for x
    x = 28,563,990,026,251,716/77,995,911
  6. Step 6: Final answer
    x = 366,224,198.94

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.