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Finding the Third Proportional to 4,208,926 and 9,090,396

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Solution

The third proportional to 4,208,926 and 9,090,396 is: 19,633,345.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,208,926 : 9,090,396 = 9,090,396 : x
  2. Step 2: Convert to fraction form
    4,208,926/9,090,396 = 9,090,396/x
  3. Step 3: Cross multiply
    4,208,926x = 9,090,396 × 9,090,396
  4. Step 4: Simplify right side
    4,208,926x = 82,635,299,436,816
  5. Step 5: Solve for x
    x = 82,635,299,436,816/4,208,926
  6. Step 6: Final answer
    x = 19,633,345.76

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.