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Finding the Third Proportional to 5,518,830,559 and 8,276,219,715

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Solution

The third proportional to 5,518,830,559 and 8,276,219,715 is: 12,411,291,131.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,518,830,559 : 8,276,219,715 = 8,276,219,715 : x
  2. Step 2: Convert to fraction form
    5,518,830,559/8,276,219,715 = 8,276,219,715/x
  3. Step 3: Cross multiply
    5,518,830,559x = 8,276,219,715 × 8,276,219,715
  4. Step 4: Simplify right side
    5,518,830,559x = 68,495,812,770,954,682,368
  5. Step 5: Solve for x
    x = 68,495,812,770,954,682,368/5,518,830,559
  6. Step 6: Final answer
    x = 12,411,291,131.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.