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Finding the Third Proportional to 21,208,422 and 33,636,591

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Solution

The third proportional to 21,208,422 and 33,636,591 is: 53,347,686.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,208,422 : 33,636,591 = 33,636,591 : x
  2. Step 2: Convert to fraction form
    21,208,422/33,636,591 = 33,636,591/x
  3. Step 3: Cross multiply
    21,208,422x = 33,636,591 × 33,636,591
  4. Step 4: Simplify right side
    21,208,422x = 1,131,420,254,101,281
  5. Step 5: Solve for x
    x = 1,131,420,254,101,281/21,208,422
  6. Step 6: Final answer
    x = 53,347,686.79

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.