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Finding the Third Proportional to 17,045,446 and 36,620,684

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Solution

The third proportional to 17,045,446 and 36,620,684 is: 78,676,409.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,045,446 : 36,620,684 = 36,620,684 : x
  2. Step 2: Convert to fraction form
    17,045,446/36,620,684 = 36,620,684/x
  3. Step 3: Cross multiply
    17,045,446x = 36,620,684 × 36,620,684
  4. Step 4: Simplify right side
    17,045,446x = 1,341,074,496,627,856
  5. Step 5: Solve for x
    x = 1,341,074,496,627,856/17,045,446
  6. Step 6: Final answer
    x = 78,676,409.91

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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.