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Finding the Third Proportional to 4,279,325,915 and 9,318,359,038

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Solution

The third proportional to 4,279,325,915 and 9,318,359,038 is: 20,291,003,042.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,279,325,915 : 9,318,359,038 = 9,318,359,038 : x
  2. Step 2: Convert to fraction form
    4,279,325,915/9,318,359,038 = 9,318,359,038/x
  3. Step 3: Cross multiply
    4,279,325,915x = 9,318,359,038 × 9,318,359,038
  4. Step 4: Simplify right side
    4,279,325,915x = 86,831,815,161,076,285,440
  5. Step 5: Solve for x
    x = 86,831,815,161,076,285,440/4,279,325,915
  6. Step 6: Final answer
    x = 20,291,003,042.49

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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.