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Finding the Third Proportional to 9,107,455 and 19,728,273

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Solution

The third proportional to 9,107,455 and 19,728,273 is: 42,734,743.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,107,455 : 19,728,273 = 19,728,273 : x
  2. Step 2: Convert to fraction form
    9,107,455/19,728,273 = 19,728,273/x
  3. Step 3: Cross multiply
    9,107,455x = 19,728,273 × 19,728,273
  4. Step 4: Simplify right side
    9,107,455x = 389,204,755,562,529
  5. Step 5: Solve for x
    x = 389,204,755,562,529/9,107,455
  6. Step 6: Final answer
    x = 42,734,743.74

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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.