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Finding the Third Proportional to 5,188,664,520 and 8,041,008,024

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Solution

The third proportional to 5,188,664,520 and 8,041,008,024 is: 12,461,358,754.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,188,664,520 : 8,041,008,024 = 8,041,008,024 : x
  2. Step 2: Convert to fraction form
    5,188,664,520/8,041,008,024 = 8,041,008,024/x
  3. Step 3: Cross multiply
    5,188,664,520x = 8,041,008,024 × 8,041,008,024
  4. Step 4: Simplify right side
    5,188,664,520x = 64,657,810,042,032,381,952
  5. Step 5: Solve for x
    x = 64,657,810,042,032,381,952/5,188,664,520
  6. Step 6: Final answer
    x = 12,461,358,754.80

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.