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Finding the Third Proportional to 21,208,416 and 33,636,582

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Solution

The third proportional to 21,208,416 and 33,636,582 is: 53,347,673.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,208,416 : 33,636,582 = 33,636,582 : x
  2. Step 2: Convert to fraction form
    21,208,416/33,636,582 = 33,636,582/x
  3. Step 3: Cross multiply
    21,208,416x = 33,636,582 × 33,636,582
  4. Step 4: Simplify right side
    21,208,416x = 1,131,419,648,642,724
  5. Step 5: Solve for x
    x = 1,131,419,648,642,724/21,208,416
  6. Step 6: Final answer
    x = 53,347,673.33

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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.