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Finding the Third Proportional to 7,355,657.25 and 11,480,517

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Solution

The third proportional to 7,355,657.25 and 11,480,517 is: 17,918,489.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,355,657.25 : 11,480,517 = 11,480,517 : x
  2. Step 2: Convert to fraction form
    7,355,657.25/11,480,517 = 11,480,517/x
  3. Step 3: Cross multiply
    7,355,657.25x = 11,480,517 × 11,480,517
  4. Step 4: Simplify right side
    7,355,657.25x = 131,802,270,587,289
  5. Step 5: Solve for x
    x = 131,802,270,587,289/7,355,657.25
  6. Step 6: Final answer
    x = 17,918,489.96

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.