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Finding the Third Proportional to 220,992,738 and 346,672,392

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Solution

The third proportional to 220,992,738 and 346,672,392 is: 543,826,681.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,992,738 : 346,672,392 = 346,672,392 : x
  2. Step 2: Convert to fraction form
    220,992,738/346,672,392 = 346,672,392/x
  3. Step 3: Cross multiply
    220,992,738x = 346,672,392 × 346,672,392
  4. Step 4: Simplify right side
    220,992,738x = 120,181,747,375,001,664
  5. Step 5: Solve for x
    x = 120,181,747,375,001,664/220,992,738
  6. Step 6: Final answer
    x = 543,826,681.65

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.