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Finding the Third Proportional to 5,325,912 and 11,648,240

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Solution

The third proportional to 5,325,912 and 11,648,240 is: 25,475,729.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,325,912 : 11,648,240 = 11,648,240 : x
  2. Step 2: Convert to fraction form
    5,325,912/11,648,240 = 11,648,240/x
  3. Step 3: Cross multiply
    5,325,912x = 11,648,240 × 11,648,240
  4. Step 4: Simplify right side
    5,325,912x = 135,681,495,097,600
  5. Step 5: Solve for x
    x = 135,681,495,097,600/5,325,912
  6. Step 6: Final answer
    x = 25,475,729.81

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.