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Finding the Third Proportional to 56,999,878 and 122,071,002

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Solution

The third proportional to 56,999,878 and 122,071,002 is: 261,427,393.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,999,878 : 122,071,002 = 122,071,002 : x
  2. Step 2: Convert to fraction form
    56,999,878/122,071,002 = 122,071,002/x
  3. Step 3: Cross multiply
    56,999,878x = 122,071,002 × 122,071,002
  4. Step 4: Simplify right side
    56,999,878x = 14,901,329,529,284,004
  5. Step 5: Solve for x
    x = 14,901,329,529,284,004/56,999,878
  6. Step 6: Final answer
    x = 261,427,393.39

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.