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Finding the Third Proportional to 117,891,078 and 253,698,060

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Solution

The third proportional to 117,891,078 and 253,698,060 is: 545,950,607.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,891,078 : 253,698,060 = 253,698,060 : x
  2. Step 2: Convert to fraction form
    117,891,078/253,698,060 = 253,698,060/x
  3. Step 3: Cross multiply
    117,891,078x = 253,698,060 × 253,698,060
  4. Step 4: Simplify right side
    117,891,078x = 64,362,705,647,763,600
  5. Step 5: Solve for x
    x = 64,362,705,647,763,600/117,891,078
  6. Step 6: Final answer
    x = 545,950,607.46

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.