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Finding the Third Proportional to 5,740,355 and 12,489,603

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Solution

The third proportional to 5,740,355 and 12,489,603 is: 27,174,309.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,740,355 : 12,489,603 = 12,489,603 : x
  2. Step 2: Convert to fraction form
    5,740,355/12,489,603 = 12,489,603/x
  3. Step 3: Cross multiply
    5,740,355x = 12,489,603 × 12,489,603
  4. Step 4: Simplify right side
    5,740,355x = 155,990,183,097,609
  5. Step 5: Solve for x
    x = 155,990,183,097,609/5,740,355
  6. Step 6: Final answer
    x = 27,174,309.45

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.