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Finding the Third Proportional to 5,818,646,880 and 8,873,243,976

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Solution

The third proportional to 5,818,646,880 and 8,873,243,976 is: 13,531,403,482.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,818,646,880 : 8,873,243,976 = 8,873,243,976 : x
  2. Step 2: Convert to fraction form
    5,818,646,880/8,873,243,976 = 8,873,243,976/x
  3. Step 3: Cross multiply
    5,818,646,880x = 8,873,243,976 × 8,873,243,976
  4. Step 4: Simplify right side
    5,818,646,880x = 78,734,458,657,620,295,680
  5. Step 5: Solve for x
    x = 78,734,458,657,620,295,680/5,818,646,880
  6. Step 6: Final answer
    x = 13,531,403,482.87

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.