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Finding the Third Proportional to 2,618,430 and 4,063,855

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Solution

The third proportional to 2,618,430 and 4,063,855 is: 6,307,183.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,618,430 : 4,063,855 = 4,063,855 : x
  2. Step 2: Convert to fraction form
    2,618,430/4,063,855 = 4,063,855/x
  3. Step 3: Cross multiply
    2,618,430x = 4,063,855 × 4,063,855
  4. Step 4: Simplify right side
    2,618,430x = 16,514,917,461,025
  5. Step 5: Solve for x
    x = 16,514,917,461,025/2,618,430
  6. Step 6: Final answer
    x = 6,307,183.11

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.