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Finding the Third Proportional to 9,755,498 and 21,009,357

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Solution

The third proportional to 9,755,498 and 21,009,357 is: 45,245,571.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,755,498 : 21,009,357 = 21,009,357 : x
  2. Step 2: Convert to fraction form
    9,755,498/21,009,357 = 21,009,357/x
  3. Step 3: Cross multiply
    9,755,498x = 21,009,357 × 21,009,357
  4. Step 4: Simplify right side
    9,755,498x = 441,393,081,553,449
  5. Step 5: Solve for x
    x = 441,393,081,553,449/9,755,498
  6. Step 6: Final answer
    x = 45,245,571.43

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.