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Finding the Third Proportional to 3,918,659,882 and 8,460,702,244

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Solution

The third proportional to 3,918,659,882 and 8,460,702,244 is: 18,267,337,461.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,918,659,882 : 8,460,702,244 = 8,460,702,244 : x
  2. Step 2: Convert to fraction form
    3,918,659,882/8,460,702,244 = 8,460,702,244/x
  3. Step 3: Cross multiply
    3,918,659,882x = 8,460,702,244 × 8,460,702,244
  4. Step 4: Simplify right side
    3,918,659,882x = 71,583,482,461,626,638,336
  5. Step 5: Solve for x
    x = 71,583,482,461,626,638,336/3,918,659,882
  6. Step 6: Final answer
    x = 18,267,337,461.57

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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.