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Finding the Third Proportional to 4,160,208 and 6,391,696

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Solution

The third proportional to 4,160,208 and 6,391,696 is: 9,820,128.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,160,208 : 6,391,696 = 6,391,696 : x
  2. Step 2: Convert to fraction form
    4,160,208/6,391,696 = 6,391,696/x
  3. Step 3: Cross multiply
    4,160,208x = 6,391,696 × 6,391,696
  4. Step 4: Simplify right side
    4,160,208x = 40,853,777,756,416
  5. Step 5: Solve for x
    x = 40,853,777,756,416/4,160,208
  6. Step 6: Final answer
    x = 9,820,128.65

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.